509570934850 has 24 divisors (see below), whose sum is σ = 949095052020. Its totient is φ = 203550285120.

The previous prime is 509570934811. The next prime is 509570934959. The reversal of 509570934850 is 58439075905.

It can be written as a sum of positive squares in 6 ways, for example, as 379627267321 + 129943667529 = 616139^2 + 360477^2 .

It is a junction number, because it is equal to n+sod(n) for n = 509570934791 and 509570934800.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6915205 + ... + 6988504.

Almost surely, 2^509570934850 is an apocalyptic number.

509570934850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

509570934850 is a deficient number, since it is larger than the sum of its proper divisors (439524117170).

509570934850 is a wasteful number, since it uses less digits than its factorization.

509570934850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13904454 (or 13904449 counting only the distinct ones).

The product of its (nonzero) digits is 6804000, while the sum is 55.

The spelling of 509570934850 in words is "five hundred nine billion, five hundred seventy million, nine hundred thirty-four thousand, eight hundred fifty".