509713696 has 24 divisors (see below), whose sum is σ = 1007895420. Its totient is φ = 253740288.

The previous prime is 509713691. The next prime is 509713697. The reversal of 509713696 is 696317905.

It can be written as a sum of positive squares in 2 ways, for example, as 439489296 + 70224400 = 20964^2 + 8380^2 .

It is not an unprimeable number, because it can be changed into a prime (509713691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27451 + ... + 42106.

Almost surely, 2^509713696 is an apocalyptic number.

It is an amenable number.

509713696 is a deficient number, since it is larger than the sum of its proper divisors (498181724).

509713696 is a wasteful number, since it uses less digits than its factorization.

509713696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69796 (or 69788 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 46.

The square root of 509713696 is about 22576.8398142876. The cubic root of 509713696 is about 798.8074398002.

The spelling of 509713696 in words is "five hundred nine million, seven hundred thirteen thousand, six hundred ninety-six".