625621243236 has 24 divisors (see below), whose sum is σ = 1592490437664. Its totient is φ = 189582194880.

The previous prime is 625621243187. The next prime is 625621243267. The reversal of 625621243236 is 632342126526.

625621243236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2369777305 + ... + 2369777568.

It is an arithmetic number, because the mean of its divisors is an integer number (66353768236).

Almost surely, 2^625621243236 is an apocalyptic number.

625621243236 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

625621243236 is an abundant number, since it is smaller than the sum of its proper divisors (966869194428).

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

625621243236 is a wasteful number, since it uses less digits than its factorization.

625621243236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4739554891 (or 4739554889 counting only the distinct ones).

The product of its digits is 622080, while the sum is 42.

The spelling of 625621243236 in words is "six hundred twenty-five billion, six hundred twenty-one million, two hundred forty-three thousand, two hundred thirty-six".