13185772933993 has 12 divisors (see below), whose sum is σ = 15123603023424. Its totient is φ = 11465889505400.

The previous prime is 13185772933919. The next prime is 13185772934027. The reversal of 13185772933993 is 39933927758131.

It is a de Polignac number, because none of the positive numbers 2^k-13185772933993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13185772931993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2368982653 + ... + 2368988218.

It is an arithmetic number, because the mean of its divisors is an integer number (1260300251952).

Almost surely, 2^{13185772933993} is an apocalyptic number.

It is an amenable number.

13185772933993 is a deficient number, since it is larger than the sum of its proper divisors (1937830089431).

13185772933993 is a wasteful number, since it uses less digits than its factorization.

13185772933993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4737970916 (or 4737970905 counting only the distinct ones).

The product of its digits is 231472080, while the sum is 70.

The spelling of 13185772933993 in words is "thirteen trillion, one hundred eighty-five billion, seven hundred seventy-two million, nine hundred thirty-three thousand, nine hundred ninety-three".