10404256669 has 2 divisors, whose sum is σ = 10404256670. Its totient is φ = 10404256668.

The previous prime is 10404256657. The next prime is 10404256679. The reversal of 10404256669 is 96665240401.

10404256669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6928564644 + 3475692025 = 83238^2 + 58955^2 .

It is an emirp because it is prime and its reverse (96665240401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10404256669 - 2¹⁷ = 10404125597 is a prime.

It is a super-2 number, since 2×10404256669² (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 (10404256619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5202128334 + 5202128335.

It is an arithmetic number, because the mean of its divisors is an integer number (5202128335).

Almost surely, 2^10404256669 is an apocalyptic number.

It is an amenable number.

10404256669 is a deficient number, since it is larger than the sum of its proper divisors (1).

10404256669 is an equidigital number, since it uses as much as digits as its factorization.

10404256669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 10404256669 in words is "ten billion, four hundred four million, two hundred fifty-six thousand, six hundred sixty-nine".