13677685537 has 2 divisors, whose sum is σ = 13677685538. Its totient is φ = 13677685536.

The previous prime is 13677685531. The next prime is 13677685621. The reversal of 13677685537 is 73558677631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7396172001 + 6281513536 = 86001^2 + 79256^2 .

It is a cyclic number.

It is not a de Polignac number, because 13677685537 - 2⁷ = 13677685409 is a prime.

It is not a weakly prime, because it can be changed into another prime (13677685531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6838842768 + 6838842769.

It is an arithmetic number, because the mean of its divisors is an integer number (6838842769).

Almost surely, 2^13677685537 is an apocalyptic number.

It is an amenable number.

13677685537 is a deficient number, since it is larger than the sum of its proper divisors (1).

13677685537 is an equidigital number, since it uses as much as digits as its factorization.

13677685537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22226400, while the sum is 58.

The spelling of 13677685537 in words is "thirteen billion, six hundred seventy-seven million, six hundred eighty-five thousand, five hundred thirty-seven".