13685636458 has 16 divisors (see below), whose sum is σ = 22112195616. Its totient is φ = 6315125040.

The previous prime is 13685636411. The next prime is 13685636513. The reversal of 13685636458 is 85463658631.

It is a junction number, because it is equal to n+sod(n) for n = 13685636399 and 13685636408.

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, 77473 + ... + 182683.

It is an arithmetic number, because the mean of its divisors is an integer number (1382012226).

Almost surely, 2^13685636458 is an apocalyptic number.

13685636458 is a deficient number, since it is larger than the sum of its proper divisors (8426559158).

13685636458 is a wasteful number, since it uses less digits than its factorization.

13685636458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110229.

The product of its digits is 12441600, while the sum is 55.

The spelling of 13685636458 in words is "thirteen billion, six hundred eighty-five million, six hundred thirty-six thousand, four hundred fifty-eight".