13144558699 has 4 divisors (see below), whose sum is σ = 13170901000. Its totient is φ = 13118216400.

The previous prime is 13144558697. The next prime is 13144558723. The reversal of 13144558699 is 99685544131.

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 13144558699 - 2¹ = 13144558697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13144558697) 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, 13170402 + ... + 13171399.

It is an arithmetic number, because the mean of its divisors is an integer number (3292725250).

Almost surely, 2^13144558699 is an apocalyptic number.

13144558699 is a deficient number, since it is larger than the sum of its proper divisors (26342301).

13144558699 is an equidigital number, since it uses as much as digits as its factorization.

13144558699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26342300.

The product of its digits is 4665600, while the sum is 55.

The spelling of 13144558699 in words is "thirteen billion, one hundred forty-four million, five hundred fifty-eight thousand, six hundred ninety-nine".