2902604644 has 12 divisors (see below), whose sum is σ = 5088215664. Its totient is φ = 1448828744.

The previous prime is 2902604641. The next prime is 2902604687. The reversal of 2902604644 is 4464062092.

It is a super-2 number, since 2×2902604644² = 16850227438740733472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2902604641) 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, 615754 + ... + 620449.

It is an arithmetic number, because the mean of its divisors is an integer number (424017972).

Almost surely, 2^2902604644 is an apocalyptic number.

It is an amenable number.

2902604644 is a deficient number, since it is larger than the sum of its proper divisors (2185611020).

2902604644 is a wasteful number, since it uses less digits than its factorization.

2902604644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236794 (or 1236792 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 2902604644 is about 53875.8261560786. The cubic root of 2902604644 is about 1426.4699544146.

The spelling of 2902604644 in words is "two billion, nine hundred two million, six hundred four thousand, six hundred forty-four".