13933272173 has 2 divisors, whose sum is σ = 13933272174. Its totient is φ = 13933272172.

The previous prime is 13933272149. The next prime is 13933272181. The reversal of 13933272173 is 37127233931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10974238564 + 2959033609 = 104758^2 + 54397^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13933272173 is a prime.

It is a super-2 number, since 2×13933272173² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13933272173.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13933272113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6966636086 + 6966636087.

It is an arithmetic number, because the mean of its divisors is an integer number (6966636087).

Almost surely, 2^13933272173 is an apocalyptic number.

It is an amenable number.

13933272173 is a deficient number, since it is larger than the sum of its proper divisors (1).

13933272173 is an equidigital number, since it uses as much as digits as its factorization.

13933272173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 142884, while the sum is 41.

The spelling of 13933272173 in words is "thirteen billion, nine hundred thirty-three million, two hundred seventy-two thousand, one hundred seventy-three".