13240502669 has 2 divisors, whose sum is σ = 13240502670. Its totient is φ = 13240502668.

The previous prime is 13240502633. The next prime is 13240502687. The reversal of 13240502669 is 96620504231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10427473225 + 2813029444 = 102115^2 + 53038^2 .

It is a cyclic number.

It is not a de Polignac number, because 13240502669 - 2²⁴ = 13223725453 is a prime.

It is a super-2 number, since 2×13240502669² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13240502699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6620251334 + 6620251335.

It is an arithmetic number, because the mean of its divisors is an integer number (6620251335).

Almost surely, 2^13240502669 is an apocalyptic number.

It is an amenable number.

13240502669 is a deficient number, since it is larger than the sum of its proper divisors (1).

13240502669 is an equidigital number, since it uses as much as digits as its factorization.

13240502669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 13240502669 in words is "thirteen billion, two hundred forty million, five hundred two thousand, six hundred sixty-nine".