509490894022 has 16 divisors (see below), whose sum is σ = 862461075600. Its totient is φ = 223601019040.

The previous prime is 509490894007. The next prime is 509490894071. The reversal of 509490894022 is 220498094905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399286897 + ... + 399288172.

It is an arithmetic number, because the mean of its divisors is an integer number (53903817225).

Almost surely, 2^509490894022 is an apocalyptic number.

509490894022 is a deficient number, since it is larger than the sum of its proper divisors (352970181578).

509490894022 is a wasteful number, since it uses less digits than its factorization.

509490894022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798575111.

The product of its (nonzero) digits is 1866240, while the sum is 52.

The spelling of 509490894022 in words is "five hundred nine billion, four hundred ninety million, eight hundred ninety-four thousand, twenty-two".