405350502269 has 2 divisors, whose sum is σ = 405350502270. Its totient is φ = 405350502268.

The previous prime is 405350502113. The next prime is 405350502287. The reversal of 405350502269 is 962205053504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 382356722500 + 22993779769 = 618350^2 + 151637^2 .

It is a cyclic number.

It is not a de Polignac number, because 405350502269 - 2⁸ = 405350502013 is a prime.

It is a super-2 number, since 2×405350502269² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (405350502569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202675251134 + 202675251135.

It is an arithmetic number, because the mean of its divisors is an integer number (202675251135).

Almost surely, 2^405350502269 is an apocalyptic number.

It is an amenable number.

405350502269 is a deficient number, since it is larger than the sum of its proper divisors (1).

405350502269 is an equidigital number, since it uses as much as digits as its factorization.

405350502269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324000, while the sum is 41.

The spelling of 405350502269 in words is "four hundred five billion, three hundred fifty million, five hundred two thousand, two hundred sixty-nine".