13935107973778 has 32 divisors (see below), whose sum is σ = 22408784654400. Its totient is φ = 6479376381504.

The previous prime is 13935107973769. The next prime is 13935107973791. The reversal of 13935107973778 is 87737970153931.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3072625 + ... + 6108292.

It is an arithmetic number, because the mean of its divisors is an integer number (700274520450).

Almost surely, 2^{13935107973778} is an apocalyptic number.

13935107973778 is a deficient number, since it is larger than the sum of its proper divisors (8473676680622).

13935107973778 is a wasteful number, since it uses less digits than its factorization.

13935107973778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9181674.

The product of its (nonzero) digits is 210039480, while the sum is 70.

The spelling of 13935107973778 in words is "thirteen trillion, nine hundred thirty-five billion, one hundred seven million, nine hundred seventy-three thousand, seven hundred seventy-eight".