2943997056 has 1024 divisors, whose sum is σ = 12502425600. Its totient is φ = 656916480.

The previous prime is 2943997051. The next prime is 2943997061. The reversal of 2943997056 is 6507993492.

2943997056 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2943997051) and next prime (2943997061).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 2943996993 and 2943997011.

It is not an unprimeable number, because it can be changed into a prime (2943997051) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 79567470 + ... + 79567506.

It is an arithmetic number, because the mean of its divisors is an integer number (12209400).

Almost surely, 2^2943997056 is an apocalyptic number.

2943997056 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2943997056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6251212800).

2943997056 is an abundant number, since it is smaller than the sum of its proper divisors (9558428544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2943997056 is a wasteful number, since it uses less digits than its factorization.

2943997056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 54.

The square root of 2943997056 is about 54258.6127356754. The cubic root of 2943997056 is about 1433.2186706665.

It can be divided in two parts, 2943 and 997056, that added together give a palindrome (999999).

The spelling of 2943997056 in words is "two billion, nine hundred forty-three million, nine hundred ninety-seven thousand, fifty-six".