13651136687 has 2 divisors, whose sum is σ = 13651136688. Its totient is φ = 13651136686.

The previous prime is 13651136581. The next prime is 13651136689. The reversal of 13651136687 is 78663115631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13651136687 - 2⁸ = 13651136431 is a prime.

Together with 13651136689, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13651136689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6825568343 + 6825568344.

It is an arithmetic number, because the mean of its divisors is an integer number (6825568344).

Almost surely, 2^13651136687 is an apocalyptic number.

13651136687 is a deficient number, since it is larger than the sum of its proper divisors (1).

13651136687 is an equidigital number, since it uses as much as digits as its factorization.

13651136687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 47.

The spelling of 13651136687 in words is "thirteen billion, six hundred fifty-one million, one hundred thirty-six thousand, six hundred eighty-seven".