656452650025 has 12 divisors (see below), whose sum is σ = 856843459600. Its totient is φ = 497522008080.

The previous prime is 656452650023. The next prime is 656452650121. The reversal of 656452650025 is 520056254656.

It is not a de Polignac number, because 656452650025 - 2¹ = 656452650023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (656452650023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 691002315 + ... + 691003264.

Almost surely, 2^656452650025 is an apocalyptic number.

It is an amenable number.

656452650025 is a deficient number, since it is larger than the sum of its proper divisors (200390809575).

656452650025 is a wasteful number, since it uses less digits than its factorization.

656452650025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382005608 (or 1382005603 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 46.

The spelling of 656452650025 in words is "six hundred fifty-six billion, four hundred fifty-two million, six hundred fifty thousand, twenty-five".