2620563652 has 24 divisors (see below), whose sum is σ = 5254351424. Its totient is φ = 1120264992.

The previous prime is 2620563623. The next prime is 2620563661. The reversal of 2620563652 is 2563650262.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106758 + ... + 128989.

Almost surely, 2^2620563652 is an apocalyptic number.

It is an amenable number.

2620563652 is an abundant number, since it is smaller than the sum of its proper divisors (2633787772).

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

2620563652 is a wasteful number, since it uses less digits than its factorization.

2620563652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236155 (or 236153 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

The square root of 2620563652 is about 51191.4411987004. The cubic root of 2620563652 is about 1378.6845358521.

The spelling of 2620563652 in words is "two billion, six hundred twenty million, five hundred sixty-three thousand, six hundred fifty-two".