509534311846 has 32 divisors (see below), whose sum is σ = 876752709120. Its totient is φ = 217555800000.

The previous prime is 509534311817. The next prime is 509534311849. The reversal of 509534311846 is 648113435905.

It is a self number, because there is not a number n which added to its sum of digits gives 509534311846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (509534311849) 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, 37047471 + ... + 37061221.

It is an arithmetic number, because the mean of its divisors is an integer number (27398522160).

Almost surely, 2^509534311846 is an apocalyptic number.

509534311846 is a deficient number, since it is larger than the sum of its proper divisors (367218397274).

509534311846 is a wasteful number, since it uses less digits than its factorization.

509534311846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23460.

The product of its (nonzero) digits is 1555200, while the sum is 49.

The spelling of 509534311846 in words is "five hundred nine billion, five hundred thirty-four million, three hundred eleven thousand, eight hundred forty-six".