14644372969 has 2 divisors, whose sum is σ = 14644372970. Its totient is φ = 14644372968.

The previous prime is 14644372913. The next prime is 14644372997. The reversal of 14644372969 is 96927344641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9433265625 + 5211107344 = 97125^2 + 72188^2 .

It is a cyclic number.

It is not a de Polignac number, because 14644372969 - 2²³ = 14635984361 is a prime.

It is a super-2 number, since 2×14644372969² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14644372909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7322186484 + 7322186485.

It is an arithmetic number, because the mean of its divisors is an integer number (7322186485).

Almost surely, 2^14644372969 is an apocalyptic number.

It is an amenable number.

14644372969 is a deficient number, since it is larger than the sum of its proper divisors (1).

14644372969 is an equidigital number, since it uses as much as digits as its factorization.

14644372969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7838208, while the sum is 55.

The spelling of 14644372969 in words is "fourteen billion, six hundred forty-four million, three hundred seventy-two thousand, nine hundred sixty-nine".