620613654625 has 16 divisors (see below), whose sum is σ = 808200881280. Its totient is φ = 474904359600.

The previous prime is 620613654613. The next prime is 620613654691. The reversal of 620613654625 is 526456316026.

620613654625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 620613654625 - 2²⁷ = 620479436897 is a prime.

It is a super-2 number, since 2×620613654625² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107929935 + ... + 107935684.

It is an arithmetic number, because the mean of its divisors is an integer number (50512555080).

Almost surely, 2^620613654625 is an apocalyptic number.

It is an amenable number.

620613654625 is a deficient number, since it is larger than the sum of its proper divisors (187587226655).

620613654625 is a wasteful number, since it uses less digits than its factorization.

620613654625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215865657 (or 215865647 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 46.

The spelling of 620613654625 in words is "six hundred twenty billion, six hundred thirteen million, six hundred fifty-four thousand, six hundred twenty-five".