685926481524 has 12 divisors (see below), whose sum is σ = 1600495123584. Its totient is φ = 228642160504.

The previous prime is 685926481511. The next prime is 685926481547. The reversal of 685926481524 is 425184629586.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28580270052 + ... + 28580270075.

It is an arithmetic number, because the mean of its divisors is an integer number (133374593632).

Almost surely, 2^685926481524 is an apocalyptic number.

It is an amenable number.

685926481524 is an abundant number, since it is smaller than the sum of its proper divisors (914568642060).

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

685926481524 is a wasteful number, since it uses less digits than its factorization.

685926481524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57160540134 (or 57160540132 counting only the distinct ones).

The product of its digits is 33177600, while the sum is 60.

The spelling of 685926481524 in words is "six hundred eighty-five billion, nine hundred twenty-six million, four hundred eighty-one thousand, five hundred twenty-four".