13042699469 has 2 divisors, whose sum is σ = 13042699470. Its totient is φ = 13042699468.

The previous prime is 13042699433. The next prime is 13042699513. The reversal of 13042699469 is 96499624031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11872717444 + 1169982025 = 108962^2 + 34205^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13042699469 is a prime.

It is a super-2 number, since 2×13042699469² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13042699469.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13042699429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6521349734 + 6521349735.

It is an arithmetic number, because the mean of its divisors is an integer number (6521349735).

Almost surely, 2^13042699469 is an apocalyptic number.

It is an amenable number.

13042699469 is a deficient number, since it is larger than the sum of its proper divisors (1).

13042699469 is an equidigital number, since it uses as much as digits as its factorization.

13042699469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2519424, while the sum is 53.

The spelling of 13042699469 in words is "thirteen billion, forty-two million, six hundred ninety-nine thousand, four hundred sixty-nine".