2897412631 has 4 divisors (see below), whose sum is σ = 2900079232. Its totient is φ = 2894746032.

The previous prime is 2897412577. The next prime is 2897412647. The reversal of 2897412631 is 1362147982.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2897412631 - 2²³ = 2889024023 is a prime.

It is a super-2 number, since 2×2897412631² = 16789999908556684322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2897412031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1331670 + ... + 1333843.

It is an arithmetic number, because the mean of its divisors is an integer number (725019808).

Almost surely, 2^2897412631 is an apocalyptic number.

2897412631 is a deficient number, since it is larger than the sum of its proper divisors (2666601).

2897412631 is a wasteful number, since it uses less digits than its factorization.

2897412631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2666600.

The product of its digits is 145152, while the sum is 43.

The square root of 2897412631 is about 53827.6195925475. The cubic root of 2897412631 is about 1425.6189175231.

The spelling of 2897412631 in words is "two billion, eight hundred ninety-seven million, four hundred twelve thousand, six hundred thirty-one".