259930644625 has 32 divisors (see below), whose sum is σ = 338605173504. Its totient is φ = 198840188800.

The previous prime is 259930644577. The next prime is 259930644637. The reversal of 259930644625 is 526446039952.

It is not a de Polignac number, because 259930644625 - 2¹¹ = 259930642577 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10317294 + ... + 10342456.

It is an arithmetic number, because the mean of its divisors is an integer number (10581411672).

Almost surely, 2^259930644625 is an apocalyptic number.

259930644625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

259930644625 is a deficient number, since it is larger than the sum of its proper divisors (78674528879).

259930644625 is a wasteful number, since it uses less digits than its factorization.

259930644625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28794 (or 28784 counting only the distinct ones).

The product of its (nonzero) digits is 13996800, while the sum is 55.

The spelling of 259930644625 in words is "two hundred fifty-nine billion, nine hundred thirty million, six hundred forty-four thousand, six hundred twenty-five".