13904587612064 has 12 divisors (see below), whose sum is σ = 27374656861314. Its totient is φ = 6952293806016.

The previous prime is 13904587612057. The next prime is 13904587612129. The reversal of 13904587612064 is 46021678540931.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13521005576464 + 383582035600 = 3677092^2 + 619340^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217259181407 + ... + 217259181470.

It is a 1-persistent number, because it is pandigital, but 2⋅13904587612064 = 27809175224128 is not.

Almost surely, 2^{13904587612064} is an apocalyptic number.

It is an amenable number.

13904587612064 is a deficient number, since it is larger than the sum of its proper divisors (13470069249250).

13904587612064 is an equidigital number, since it uses as much as digits as its factorization.

13904587612064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434518362887 (or 434518362879 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 56.

The spelling of 13904587612064 in words is "thirteen trillion, nine hundred four billion, five hundred eighty-seven million, six hundred twelve thousand, sixty-four".