509401933934 has 32 divisors (see below), whose sum is σ = 783449694720. Its totient is φ = 248335394112.

The previous prime is 509401933927. The next prime is 509401933939. The reversal of 509401933934 is 439339104905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (509401933939) 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, 34311917 + ... + 34326759.

It is an arithmetic number, because the mean of its divisors is an integer number (24482802960).

Almost surely, 2^509401933934 is an apocalyptic number.

509401933934 is a deficient number, since it is larger than the sum of its proper divisors (274047760786).

509401933934 is a wasteful number, since it uses less digits than its factorization.

509401933934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17624.

The product of its (nonzero) digits is 1574640, while the sum is 50.

The spelling of 509401933934 in words is "five hundred nine billion, four hundred one million, nine hundred thirty-three thousand, nine hundred thirty-four".