64625255626 has 8 divisors (see below), whose sum is σ = 97117067844. Its totient is φ = 32252899680.

The previous prime is 64625255593. The next prime is 64625255641. The reversal of 64625255626 is 62655252646.

It can be written as a sum of positive squares in 2 ways, for example, as 60737109601 + 3888146025 = 246449^2 + 62355^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 64625255626.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29862715 + ... + 29864878.

Almost surely, 2^64625255626 is an apocalyptic number.

64625255626 is a deficient number, since it is larger than the sum of its proper divisors (32491812218).

64625255626 is a wasteful number, since it uses less digits than its factorization.

64625255626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59728136.

The product of its digits is 5184000, while the sum is 49.

The spelling of 64625255626 in words is "sixty-four billion, six hundred twenty-five million, two hundred fifty-five thousand, six hundred twenty-six".