509971486 has 32 divisors (see below), whose sum is σ = 799289568. Its totient is φ = 243855360.

The previous prime is 509971477. The next prime is 509971493. The reversal of 509971486 is 684179905.

It is a congruent number.

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, 942376 + ... + 942916.

It is an arithmetic number, because the mean of its divisors is an integer number (24977799).

Almost surely, 2^509971486 is an apocalyptic number.

509971486 is a deficient number, since it is larger than the sum of its proper divisors (289318082).

509971486 is a wasteful number, since it uses less digits than its factorization.

509971486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796.

The product of its (nonzero) digits is 544320, while the sum is 49.

The square root of 509971486 is about 22582.5482618769. The cubic root of 509971486 is about 798.9420839253.

The spelling of 509971486 in words is "five hundred nine million, nine hundred seventy-one thousand, four hundred eighty-six".