509201056790 has 8 divisors (see below), whose sum is σ = 916561902240. Its totient is φ = 203680422712.

The previous prime is 509201056789. The next prime is 509201056801. The reversal of 509201056790 is 97650102905.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25460052830 + ... + 25460052849.

It is an arithmetic number, because the mean of its divisors is an integer number (114570237780).

Almost surely, 2^509201056790 is an apocalyptic number.

509201056790 is a deficient number, since it is larger than the sum of its proper divisors (407360845450).

509201056790 is a wasteful number, since it uses less digits than its factorization.

509201056790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50920105686.

The product of its (nonzero) digits is 170100, while the sum is 44.

The spelling of 509201056790 in words is "five hundred nine billion, two hundred one million, fifty-six thousand, seven hundred ninety".