612568563908 has 72 divisors (see below), whose sum is σ = 1323082740672. Its totient is φ = 242927875008.

The previous prime is 612568563907. The next prime is 612568563931. The reversal of 612568563908 is 809365865216.

612568563908 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (612568563907) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 270035 + ... + 1139322.

It is an arithmetic number, because the mean of its divisors is an integer number (18376149176).

Almost surely, 2^612568563908 is an apocalyptic number.

It is an amenable number.

612568563908 is an abundant number, since it is smaller than the sum of its proper divisors (710514176764).

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

612568563908 is a wasteful number, since it uses less digits than its factorization.

612568563908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409449 (or 1409428 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 59.

The spelling of 612568563908 in words is "six hundred twelve billion, five hundred sixty-eight million, five hundred sixty-three thousand, nine hundred eight".