2945942912 has 64 divisors (see below), whose sum is σ = 6418215360. Its totient is φ = 1335759360.

The previous prime is 2945942911. The next prime is 2945942953. The reversal of 2945942912 is 2192495492.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2945942911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 621383 + ... + 626105.

It is an arithmetic number, because the mean of its divisors is an integer number (100284615).

Almost surely, 2^2945942912 is an apocalyptic number.

2945942912 is a gapful number since it is divisible by the number (22) 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 2945942912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3209107680).

2945942912 is an abundant number, since it is smaller than the sum of its proper divisors (3472272448).

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

2945942912 is a wasteful number, since it uses less digits than its factorization.

2945942912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5191 (or 5179 counting only the distinct ones).

The product of its digits is 466560, while the sum is 47.

The square root of 2945942912 is about 54276.5410836026. The cubic root of 2945942912 is about 1433.5343665145.

The spelling of 2945942912 in words is "two billion, nine hundred forty-five million, nine hundred forty-two thousand, nine hundred twelve".