509708677146 has 16 divisors (see below), whose sum is σ = 1019455284000. Its totient is φ = 169896570768.

The previous prime is 509708677097. The next prime is 509708677147. The reversal of 509708677146 is 641776807905.

It is a self number, because there is not a number n which added to its sum of digits gives 509708677146.

It is not an unprimeable number, because it can be changed into a prime (509708677147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1404196 + ... + 1729503.

It is an arithmetic number, because the mean of its divisors is an integer number (63715955250).

Almost surely, 2^509708677146 is an apocalyptic number.

509708677146 is an abundant number, since it is smaller than the sum of its proper divisors (509746606854).

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

509708677146 is a wasteful number, since it uses less digits than its factorization.

509708677146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3160813.

The product of its (nonzero) digits is 17781120, while the sum is 60.

The spelling of 509708677146 in words is "five hundred nine billion, seven hundred eight million, six hundred seventy-seven thousand, one hundred forty-six".