13923995378 has 16 divisors (see below), whose sum is σ = 22496543520. Its totient is φ = 6442190496.

The previous prime is 13923995357. The next prime is 13923995383. The reversal of 13923995378 is 87359932931.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4259075 + ... + 4262342.

It is an arithmetic number, because the mean of its divisors is an integer number (1406033970).

Almost surely, 2^13923995378 is an apocalyptic number.

13923995378 is a deficient number, since it is larger than the sum of its proper divisors (8572548142).

13923995378 is a wasteful number, since it uses less digits than its factorization.

13923995378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8521481.

The product of its digits is 11022480, while the sum is 59.

The spelling of 13923995378 in words is "thirteen billion, nine hundred twenty-three million, nine hundred ninety-five thousand, three hundred seventy-eight".