2941981812 has 288 divisors, whose sum is σ = 9891947520. Its totient is φ = 714147840.

The previous prime is 2941981811. The next prime is 2941981817. The reversal of 2941981812 is 2181891492.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2941981811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4371108 + ... + 4371780.

It is an arithmetic number, because the mean of its divisors is an integer number (34347040).

Almost surely, 2^2941981812 is an apocalyptic number.

2941981812 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 2941981812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4945973760).

2941981812 is an abundant number, since it is smaller than the sum of its proper divisors (6949965708).

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

2941981812 is a wasteful number, since it uses less digits than its factorization.

2941981812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803 (or 798 counting only the distinct ones).

The product of its digits is 82944, while the sum is 45.

The square root of 2941981812 is about 54240.0388274197. The cubic root of 2941981812 is about 1432.8915706323.

The spelling of 2941981812 in words is "two billion, nine hundred forty-one million, nine hundred eighty-one thousand, eight hundred twelve".