19373055360857 has 16 divisors (see below), whose sum is σ = 21507303859200. Its totient is φ = 17301396420240.

The previous prime is 19373055360839. The next prime is 19373055360913. The reversal of 19373055360857 is 75806355037391.

It is a cyclic number.

It is not a de Polignac number, because 19373055360857 - 2²⁰ = 19373054312281 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 19373055360857.

It is not an unprimeable number, because it can be changed into a prime (19373055360817) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 9375557 + ... + 11253762.

It is an arithmetic number, because the mean of its divisors is an integer number (1344206491200).

Almost surely, 2^{19373055360857} is an apocalyptic number.

It is an amenable number.

19373055360857 is a deficient number, since it is larger than the sum of its proper divisors (2134248498343).

19373055360857 is a wasteful number, since it uses less digits than its factorization.

19373055360857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20630836.

The product of its (nonzero) digits is 71442000, while the sum is 62.

The spelling of 19373055360857 in words is "nineteen trillion, three hundred seventy-three billion, fifty-five million, three hundred sixty thousand, eight hundred fifty-seven".