509696942 has 16 divisors (see below), whose sum is σ = 773660160. Its totient is φ = 251821272.

The previous prime is 509696933. The next prime is 509696959. The reversal of 509696942 is 249696905.

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 7 ways as a sum of consecutive naturals, for example, 101159 + ... + 106077.

It is an arithmetic number, because the mean of its divisors is an integer number (48353760).

Almost surely, 2^509696942 is an apocalyptic number.

509696942 is a deficient number, since it is larger than the sum of its proper divisors (263963218).

509696942 is a wasteful number, since it uses less digits than its factorization.

509696942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5527.

The product of its (nonzero) digits is 1049760, while the sum is 50.

The square root of 509696942 is about 22576.4687672807. The cubic root of 509696942 is about 798.7986875886.

The spelling of 509696942 in words is "five hundred nine million, six hundred ninety-six thousand, nine hundred forty-two".