13044040993 has 32 divisors (see below), whose sum is σ = 14776421760. Its totient is φ = 11454643200.

The previous prime is 13044040973. The next prime is 13044041011. The reversal of 13044040993 is 39904044031.

It is a cyclic number.

It is not a de Polignac number, because 13044040993 - 2⁹ = 13044040481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13044040943) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1746918 + ... + 1754368.

It is an arithmetic number, because the mean of its divisors is an integer number (461763180).

Almost surely, 2^13044040993 is an apocalyptic number.

It is an amenable number.

13044040993 is a deficient number, since it is larger than the sum of its proper divisors (1732380767).

13044040993 is a wasteful number, since it uses less digits than its factorization.

13044040993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7617.

The product of its (nonzero) digits is 46656, while the sum is 37.

The spelling of 13044040993 in words is "thirteen billion, forty-four million, forty thousand, nine hundred ninety-three".