13973852785875 has 16 divisors (see below), whose sum is σ = 23252491036320. Its totient is φ = 7452721485600.

The previous prime is 13973852785859. The next prime is 13973852785901. The reversal of 13973852785875 is 57858725837931.

It is not a de Polignac number, because 13973852785875 - 2⁴ = 13973852785859 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13973852785875.

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 in 15 ways as a sum of consecutive naturals, for example, 18631803340 + ... + 18631804089.

It is an arithmetic number, because the mean of its divisors is an integer number (1453280689770).

Almost surely, 2^{13973852785875} is an apocalyptic number.

13973852785875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13973852785875 is a deficient number, since it is larger than the sum of its proper divisors (9278638250445).

13973852785875 is an equidigital number, since it uses as much as digits as its factorization.

13973852785875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37263607447 (or 37263607437 counting only the distinct ones).

The product of its digits is 3556224000, while the sum is 78.

The spelling of 13973852785875 in words is "thirteen trillion, nine hundred seventy-three billion, eight hundred fifty-two million, seven hundred eighty-five thousand, eight hundred seventy-five".