509380495 has 16 divisors (see below), whose sum is σ = 667300032. Its totient is φ = 371001600.

The previous prime is 509380463. The next prime is 509380511. The reversal of 509380495 is 594083905.

It is a happy number.

It is not a de Polignac number, because 509380495 - 2⁵ = 509380463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48931 + ... + 58420.

It is an arithmetic number, because the mean of its divisors is an integer number (41706252).

Almost surely, 2^509380495 is an apocalyptic number.

509380495 is a deficient number, since it is larger than the sum of its proper divisors (157919537).

509380495 is a wasteful number, since it uses less digits than its factorization.

509380495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107442.

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 509380495 is about 22569.4593422173. The cubic root of 509380495 is about 798.6333411130.

The spelling of 509380495 in words is "five hundred nine million, three hundred eighty thousand, four hundred ninety-five".