509473080690 has 96 divisors (see below), whose sum is σ = 1429586604864. Its totient is φ = 115859802240.

The previous prime is 509473080689. The next prime is 509473080691. The reversal of 509473080690 is 96080374905.

It is an interprime number because it is at equal distance from previous prime (509473080689) and next prime (509473080691).

It is a super-2 number, since 2×509473080690² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (509473080691) 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 in 47 ways as a sum of consecutive naturals, for example, 590056 + ... + 1169235.

It is an arithmetic number, because the mean of its divisors is an integer number (14891527134).

Almost surely, 2^509473080690 is an apocalyptic number.

509473080690 is an abundant number, since it is smaller than the sum of its proper divisors (920113524174).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

509473080690 is a wasteful number, since it uses less digits than its factorization.

509473080690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1759512 (or 1759505 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 51.

The spelling of 509473080690 in words is "five hundred nine billion, four hundred seventy-three million, eighty thousand, six hundred ninety".