13044600899 has 12 divisors (see below), whose sum is σ = 14534704968. Its totient is φ = 11696271840.

The previous prime is 13044600869. The next prime is 13044600913. The reversal of 13044600899 is 99800644031.

It is not a de Polignac number, because 13044600899 - 2¹⁶ = 13044535363 is a prime.

It is a super-2 number, since 2×13044600899² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13044600869) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 729569 + ... + 747234.

It is an arithmetic number, because the mean of its divisors is an integer number (1211225414).

Almost surely, 2^13044600899 is an apocalyptic number.

13044600899 is a deficient number, since it is larger than the sum of its proper divisors (1490104069).

13044600899 is a wasteful number, since it uses less digits than its factorization.

13044600899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1476898 (or 1476887 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The spelling of 13044600899 in words is "thirteen billion, forty-four million, six hundred thousand, eight hundred ninety-nine".