13633368909 has 16 divisors (see below), whose sum is σ = 19276274880. Its totient is φ = 8541308160.

The previous prime is 13633368907. The next prime is 13633368923. The reversal of 13633368909 is 90986333631.

It is not a de Polignac number, because 13633368909 - 2¹ = 13633368907 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13633368907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168499 + ... + 235920.

It is an arithmetic number, because the mean of its divisors is an integer number (1204767180).

Almost surely, 2^13633368909 is an apocalyptic number.

It is an amenable number.

13633368909 is a deficient number, since it is larger than the sum of its proper divisors (5642905971).

13633368909 is a wasteful number, since it uses less digits than its factorization.

13633368909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405100.

The product of its (nonzero) digits is 1889568, while the sum is 51.

The spelling of 13633368909 in words is "thirteen billion, six hundred thirty-three million, three hundred sixty-eight thousand, nine hundred nine".