509674158906 has 32 divisors (see below), whose sum is σ = 1112043860928. Its totient is φ = 154442893440.

The previous prime is 509674158883. The next prime is 509674158937. The reversal of 509674158906 is 609851476905.

It is a self number, because there is not a number n which added to its sum of digits gives 509674158906.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3765256 + ... + 3898268.

It is an arithmetic number, because the mean of its divisors is an integer number (34751370654).

Almost surely, 2^509674158906 is an apocalyptic number.

509674158906 is an abundant number, since it is smaller than the sum of its proper divisors (602369702022).

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

509674158906 is a wasteful number, since it uses less digits than its factorization.

509674158906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191086.

The product of its (nonzero) digits is 16329600, while the sum is 60.

The spelling of 509674158906 in words is "five hundred nine billion, six hundred seventy-four million, one hundred fifty-eight thousand, nine hundred six".