404754426269 has 2 divisors, whose sum is σ = 404754426270. Its totient is φ = 404754426268.

The previous prime is 404754426221. The next prime is 404754426277. The reversal of 404754426269 is 962624457404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 334849710244 + 69904716025 = 578662^2 + 264395^2 .

It is a cyclic number.

It is not a de Polignac number, because 404754426269 - 2¹² = 404754422173 is a prime.

It is a super-2 number, since 2×404754426269² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 404754426269.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404754428269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202377213134 + 202377213135.

It is an arithmetic number, because the mean of its divisors is an integer number (202377213135).

Almost surely, 2^404754426269 is an apocalyptic number.

It is an amenable number.

404754426269 is a deficient number, since it is larger than the sum of its proper divisors (1).

404754426269 is an equidigital number, since it uses as much as digits as its factorization.

404754426269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11612160, while the sum is 53.

The spelling of 404754426269 in words is "four hundred four billion, seven hundred fifty-four million, four hundred twenty-six thousand, two hundred sixty-nine".