12469013569 has 2 divisors, whose sum is σ = 12469013570. Its totient is φ = 12469013568.

The previous prime is 12469013563. The next prime is 12469013573. The reversal of 12469013569 is 96531096421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6591491344 + 5877522225 = 81188^2 + 76665^2 .

It is a cyclic number.

It is not a de Polignac number, because 12469013569 - 2⁹ = 12469013057 is a prime.

It is a super-2 number, since 2×12469013569² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12469013563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6234506784 + 6234506785.

It is an arithmetic number, because the mean of its divisors is an integer number (6234506785).

Almost surely, 2^12469013569 is an apocalyptic number.

It is an amenable number.

12469013569 is a deficient number, since it is larger than the sum of its proper divisors (1).

12469013569 is an equidigital number, since it uses as much as digits as its factorization.

12469013569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 349920, while the sum is 46.

The spelling of 12469013569 in words is "twelve billion, four hundred sixty-nine million, thirteen thousand, five hundred sixty-nine".