13044023240909 has 2 divisors, whose sum is σ = 13044023240910. Its totient is φ = 13044023240908.

The previous prime is 13044023240887. The next prime is 13044023240951. The reversal of 13044023240909 is 90904232044031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12349004233225 + 695019007684 = 3514115^2 + 833678^2 .

It is a cyclic number.

It is not a de Polignac number, because 13044023240909 - 2³⁶ = 12975303764173 is a prime.

It is a super-2 number, since 2×13044023240909² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13044023240009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6522011620454 + 6522011620455.

It is an arithmetic number, because the mean of its divisors is an integer number (6522011620455).

Almost surely, 2^{13044023240909} is an apocalyptic number.

It is an amenable number.

13044023240909 is a deficient number, since it is larger than the sum of its proper divisors (1).

13044023240909 is an equidigital number, since it uses as much as digits as its factorization.

13044023240909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 41.

The spelling of 13044023240909 in words is "thirteen trillion, forty-four billion, twenty-three million, two hundred forty thousand, nine hundred nine".