406315508689 has 4 divisors (see below), whose sum is σ = 406366236400. Its totient is φ = 406264780980.

The previous prime is 406315508671. The next prime is 406315508737. The reversal of 406315508689 is 986805513604.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 406315508689 - 2⁵ = 406315508657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406315508639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25351839 + ... + 25367860.

It is an arithmetic number, because the mean of its divisors is an integer number (101591559100).

Almost surely, 2^406315508689 is an apocalyptic number.

It is an amenable number.

406315508689 is a deficient number, since it is larger than the sum of its proper divisors (50727711).

406315508689 is an equidigital number, since it uses as much as digits as its factorization.

406315508689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50727710.

The product of its (nonzero) digits is 6220800, while the sum is 55.

The spelling of 406315508689 in words is "four hundred six billion, three hundred fifteen million, five hundred eight thousand, six hundred eighty-nine".