424535250569 has 2 divisors, whose sum is σ = 424535250570. Its totient is φ = 424535250568.

The previous prime is 424535250511. The next prime is 424535250589. The reversal of 424535250569 is 965052535424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 413593044544 + 10942206025 = 643112^2 + 104605^2 .

It is a cyclic number.

It is not a de Polignac number, because 424535250569 - 2²⁸ = 424266815113 is a prime.

It is a super-2 number, since 2×424535250569² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (424535250509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212267625284 + 212267625285.

It is an arithmetic number, because the mean of its divisors is an integer number (212267625285).

Almost surely, 2^424535250569 is an apocalyptic number.

It is an amenable number.

424535250569 is a deficient number, since it is larger than the sum of its proper divisors (1).

424535250569 is an equidigital number, since it uses as much as digits as its factorization.

424535250569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480000, while the sum is 50.

The spelling of 424535250569 in words is "four hundred twenty-four billion, five hundred thirty-five million, two hundred fifty thousand, five hundred sixty-nine".