713500870509 has 32 divisors (see below), whose sum is σ = 1212405059840. Its totient is φ = 406242858816.

The previous prime is 713500870493. The next prime is 713500870541. The reversal of 713500870509 is 905078005317.

713500870509 is a `hidden beast` number, since 7 + 13 + 50 + 0 + 87 + 0 + 509 = 666.

It is not a de Polignac number, because 713500870509 - 2⁴ = 713500870493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (713500870559) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6761974 + ... + 6866679.

It is an arithmetic number, because the mean of its divisors is an integer number (37887658120).

Almost surely, 2^713500870509 is an apocalyptic number.

It is an amenable number.

713500870509 is a deficient number, since it is larger than the sum of its proper divisors (498904189331).

713500870509 is a wasteful number, since it uses less digits than its factorization.

713500870509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13628946 (or 13628940 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 45.

The spelling of 713500870509 in words is "seven hundred thirteen billion, five hundred million, eight hundred seventy thousand, five hundred nine".