2981631792 has 20 divisors (see below), whose sum is σ = 7702548920. Its totient is φ = 993877248.

The previous prime is 2981631787. The next prime is 2981631811. The reversal of 2981631792 is 2971361892.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 62117329 = 2981631792 / (2 + 9 + 8 + 1 + 6 + 3 + 1 + 7 + 9 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31058617 + ... + 31058712.

It is an arithmetic number, because the mean of its divisors is an integer number (385127446).

Almost surely, 2^2981631792 is an apocalyptic number.

It is an amenable number.

2981631792 is an abundant number, since it is smaller than the sum of its proper divisors (4720917128).

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

2981631792 is a wasteful number, since it uses less digits than its factorization.

2981631792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62117340 (or 62117334 counting only the distinct ones).

The product of its digits is 326592, while the sum is 48.

The square root of 2981631792 is about 54604.3202686381. The cubic root of 2981631792 is about 1439.3000379006.

The spelling of 2981631792 in words is "two billion, nine hundred eighty-one million, six hundred thirty-one thousand, seven hundred ninety-two".