13677534391 has 2 divisors, whose sum is σ = 13677534392. Its totient is φ = 13677534390.

The previous prime is 13677534379. The next prime is 13677534401. The reversal of 13677534391 is 19343577631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13677534391 - 2²⁷ = 13543316663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13677534341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6838767195 + 6838767196.

It is an arithmetic number, because the mean of its divisors is an integer number (6838767196).

Almost surely, 2^13677534391 is an apocalyptic number.

13677534391 is a deficient number, since it is larger than the sum of its proper divisors (1).

13677534391 is an equidigital number, since it uses as much as digits as its factorization.

13677534391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1428840, while the sum is 49.

The spelling of 13677534391 in words is "thirteen billion, six hundred seventy-seven million, five hundred thirty-four thousand, three hundred ninety-one".