2897556634 has 64 divisors (see below), whose sum is σ = 5286124800. Its totient is φ = 1164860928.

The previous prime is 2897556589. The next prime is 2897556637. The reversal of 2897556634 is 4366557982.

2897556634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2897556637) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4695894 + ... + 4696510.

It is an arithmetic number, because the mean of its divisors is an integer number (82595700).

Almost surely, 2^2897556634 is an apocalyptic number.

2897556634 is a deficient number, since it is larger than the sum of its proper divisors (2388568166).

2897556634 is a wasteful number, since it uses less digits than its factorization.

2897556634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967.

The product of its digits is 10886400, while the sum is 55.

The square root of 2897556634 is about 53828.9572070647. The cubic root of 2897556634 is about 1425.6425351464.

The spelling of 2897556634 in words is "two billion, eight hundred ninety-seven million, five hundred fifty-six thousand, six hundred thirty-four".