685413415436 has 6 divisors (see below), whose sum is σ = 1199473477020. Its totient is φ = 342706707716.

The previous prime is 685413415399. The next prime is 685413415481. The reversal of 685413415436 is 634514314586.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85676676926 + ... + 85676676933.

It is an arithmetic number, because the mean of its divisors is an integer number (199912246170).

Almost surely, 2^685413415436 is an apocalyptic number.

It is an amenable number.

685413415436 is a deficient number, since it is larger than the sum of its proper divisors (514060061584).

685413415436 is a wasteful number, since it uses less digits than its factorization.

685413415436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171353353863 (or 171353353861 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 50.

The spelling of 685413415436 in words is "six hundred eighty-five billion, four hundred thirteen million, four hundred fifteen thousand, four hundred thirty-six".