500665956959 has 16 divisors (see below), whose sum is σ = 584461363200. Its totient is φ = 428705396280.

The previous prime is 500665956937. The next prime is 500665957021. The reversal of 500665956959 is 959659566005.

It is not a de Polignac number, because 500665956959 - 2³⁶ = 431946480223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 500665956895 and 500665956904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500665956919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 405287 + ... + 1079624.

It is an arithmetic number, because the mean of its divisors is an integer number (36528835200).

Almost surely, 2^500665956959 is an apocalyptic number.

500665956959 is a deficient number, since it is larger than the sum of its proper divisors (83795406241).

500665956959 is an equidigital number, since it uses as much as digits as its factorization.

500665956959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485915 (or 1485901 counting only the distinct ones).

The product of its (nonzero) digits is 98415000, while the sum is 65.

The spelling of 500665956959 in words is "five hundred billion, six hundred sixty-five million, nine hundred fifty-six thousand, nine hundred fifty-nine".