13334778903685 has 32 divisors (see below), whose sum is σ = 17270193600000. Its totient is φ = 9851543424576.

The previous prime is 13334778903679. The next prime is 13334778903701. The reversal of 13334778903685 is 58630987743331.

It is not a de Polignac number, because 13334778903685 - 2⁷ = 13334778903557 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13334778903685.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1232455 + ... + 5309284.

It is an arithmetic number, because the mean of its divisors is an integer number (539693550000).

Almost surely, 2^{13334778903685} is an apocalyptic number.

It is an amenable number.

13334778903685 is a deficient number, since it is larger than the sum of its proper divisors (3935414696315).

13334778903685 is a wasteful number, since it uses less digits than its factorization.

13334778903685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6542305.

The product of its (nonzero) digits is 274337280, while the sum is 67.

The spelling of 13334778903685 in words is "thirteen trillion, three hundred thirty-four billion, seven hundred seventy-eight million, nine hundred three thousand, six hundred eighty-five".