406641252599 has 2 divisors, whose sum is σ = 406641252600. Its totient is φ = 406641252598.

The previous prime is 406641252559. The next prime is 406641252637. The reversal of 406641252599 is 995252146604.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 406641252599 - 2²⁰ = 406640204023 is a prime.

It is a super-3 number, since 3×406641252599³ (a number of 36 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 406641252599.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (406641252559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203320626299 + 203320626300.

It is an arithmetic number, because the mean of its divisors is an integer number (203320626300).

Almost surely, 2^406641252599 is an apocalyptic number.

406641252599 is a deficient number, since it is larger than the sum of its proper divisors (1).

406641252599 is an equidigital number, since it uses as much as digits as its factorization.

406641252599 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4665600, while the sum is 53.

The spelling of 406641252599 in words is "four hundred six billion, six hundred forty-one million, two hundred fifty-two thousand, five hundred ninety-nine".