2897947947424 has 24 divisors (see below), whose sum is σ = 5783490300420. Its totient is φ = 1429125014016.

The previous prime is 2897947947337. The next prime is 2897947947551. The reversal of 2897947947424 is 4247497497982.

It can be written as a sum of positive squares in 2 ways, for example, as 2886125299600 + 11822647824 = 1698860^2 + 108732^2 .

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, 620277619 + ... + 620282290.

Almost surely, 2^{2897947947424} is an apocalyptic number.

It is an amenable number.

2897947947424 is a deficient number, since it is larger than the sum of its proper divisors (2885542352996).

2897947947424 is a wasteful number, since it uses less digits than its factorization.

2897947947424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240559992 (or 1240559984 counting only the distinct ones).

The product of its digits is 2048385024, while the sum is 76.

The spelling of 2897947947424 in words is "two trillion, eight hundred ninety-seven billion, nine hundred forty-seven million, nine hundred forty-seven thousand, four hundred twenty-four".