13939620193 has 2 divisors, whose sum is σ = 13939620194. Its totient is φ = 13939620192.

The previous prime is 13939620187. The next prime is 13939620263. The reversal of 13939620193 is 39102693931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13080954384 + 858665809 = 114372^2 + 29303^2 .

It is a cyclic number.

It is not a de Polignac number, because 13939620193 - 2¹⁷ = 13939489121 is a prime.

It is a super-2 number, since 2×13939620193² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13939620133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6969810096 + 6969810097.

It is an arithmetic number, because the mean of its divisors is an integer number (6969810097).

Almost surely, 2^13939620193 is an apocalyptic number.

It is an amenable number.

13939620193 is a deficient number, since it is larger than the sum of its proper divisors (1).

13939620193 is an equidigital number, since it uses as much as digits as its factorization.

13939620193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 236196, while the sum is 46.

The spelling of 13939620193 in words is "thirteen billion, nine hundred thirty-nine million, six hundred twenty thousand, one hundred ninety-three".