685254298104 has 48 divisors (see below), whose sum is σ = 1857187051200. Its totient is φ = 228259330944.

The previous prime is 685254298093. The next prime is 685254298117. The reversal of 685254298104 is 401892452586.

685254298104 is a `hidden beast` number, since 6 + 8 + 5 + 2 + 542 + 98 + 1 + 0 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3203349 + ... + 3410564.

It is an arithmetic number, because the mean of its divisors is an integer number (38691396900).

Almost surely, 2^685254298104 is an apocalyptic number.

It is an amenable number.

685254298104 is an abundant number, since it is smaller than the sum of its proper divisors (1171932753096).

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

685254298104 is a wasteful number, since it uses less digits than its factorization.

685254298104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6615364 (or 6615357 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 54.

The spelling of 685254298104 in words is "six hundred eighty-five billion, two hundred fifty-four million, two hundred ninety-eight thousand, one hundred four".