13967172361 has 2 divisors, whose sum is σ = 13967172362. Its totient is φ = 13967172360.

The previous prime is 13967172337. The next prime is 13967172371. The reversal of 13967172361 is 16327176931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9762428025 + 4204744336 = 98805^2 + 64844^2 .

It is a cyclic number.

It is not a de Polignac number, because 13967172361 - 2³³ = 5377237769 is a prime.

It is not a weakly prime, because it can be changed into another prime (13967172371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6983586180 + 6983586181.

It is an arithmetic number, because the mean of its divisors is an integer number (6983586181).

Almost surely, 2^13967172361 is an apocalyptic number.

It is an amenable number.

13967172361 is a deficient number, since it is larger than the sum of its proper divisors (1).

13967172361 is an equidigital number, since it uses as much as digits as its factorization.

13967172361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 285768, while the sum is 46.

The spelling of 13967172361 in words is "thirteen billion, nine hundred sixty-seven million, one hundred seventy-two thousand, three hundred sixty-one".