13173033940091 has 4 divisors (see below), whose sum is σ = 13261443564000. Its totient is φ = 13084624316184.

The previous prime is 13173033940063. The next prime is 13173033940109. The reversal of 13173033940091 is 19004933037131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13173033940091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13173033946091) 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 3 ways as a sum of consecutive naturals, for example, 44204811731 + ... + 44204812028.

It is an arithmetic number, because the mean of its divisors is an integer number (3315360891000).

Almost surely, 2^{13173033940091} is an apocalyptic number.

13173033940091 is a deficient number, since it is larger than the sum of its proper divisors (88409623909).

13173033940091 is an equidigital number, since it uses as much as digits as its factorization.

13173033940091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88409623908.

The product of its (nonzero) digits is 183708, while the sum is 44.

The spelling of 13173033940091 in words is "thirteen trillion, one hundred seventy-three billion, thirty-three million, nine hundred forty thousand, ninety-one".