15696469 has 2 divisors, whose sum is σ = 15696470. Its totient is φ = 15696468.

The previous prime is 15696437. The next prime is 15696493. The reversal of 15696469 is 96469651.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13593969 + 2102500 = 3687^2 + 1450^2 .

It is a cyclic number.

It is not a de Polignac number, because 15696469 - 2⁵ = 15696437 is a prime.

It is a super-2 number, since 2×15696469² = 492758278135922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15696409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7848234 + 7848235.

It is an arithmetic number, because the mean of its divisors is an integer number (7848235).

Almost surely, 2^15696469 is an apocalyptic number.

It is an amenable number.

15696469 is a deficient number, since it is larger than the sum of its proper divisors (1).

15696469 is an equidigital number, since it uses as much as digits as its factorization.

15696469 is an odious number, because the sum of its binary digits is odd.

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

The square root of 15696469 is about 3961.8769541721. The cubic root of 15696469 is about 250.3805883161.

The spelling of 15696469 in words is "fifteen million, six hundred ninety-six thousand, four hundred sixty-nine".