625129812930 has 32 divisors (see below), whose sum is σ = 1714641773184. Its totient is φ = 142886814336.

The previous prime is 625129812917. The next prime is 625129812973. The reversal of 625129812930 is 39218921526.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 625129812930.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1488404107 + ... + 1488404526.

It is an arithmetic number, because the mean of its divisors is an integer number (53582555412).

Almost surely, 2^625129812930 is an apocalyptic number.

625129812930 is an abundant number, since it is smaller than the sum of its proper divisors (1089511960254).

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

625129812930 is a wasteful number, since it uses less digits than its factorization.

625129812930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2976808650.

The product of its (nonzero) digits is 466560, while the sum is 48.

The spelling of 625129812930 in words is "six hundred twenty-five billion, one hundred twenty-nine million, eight hundred twelve thousand, nine hundred thirty".