13634364959 has 4 divisors (see below), whose sum is σ = 13634701080. Its totient is φ = 13634028840.

The previous prime is 13634364949. The next prime is 13634364977. The reversal of 13634364959 is 95946343631.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13634364959 - 2⁴ = 13634364943 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13634364959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13634364949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97277 + ... + 191654.

It is an arithmetic number, because the mean of its divisors is an integer number (3408675270).

Almost surely, 2^13634364959 is an apocalyptic number.

13634364959 is a deficient number, since it is larger than the sum of its proper divisors (336121).

13634364959 is an equidigital number, since it uses as much as digits as its factorization.

13634364959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336120.

The product of its digits is 6298560, while the sum is 53.

The spelling of 13634364959 in words is "thirteen billion, six hundred thirty-four million, three hundred sixty-four thousand, nine hundred fifty-nine".