713384999721 has 96 divisors (see below), whose sum is σ = 1150795451520. Its totient is φ = 423756748800.

The previous prime is 713384999707. The next prime is 713384999741. The reversal of 713384999721 is 127999483317.

713384999721 is a `hidden beast` number, since 7 + 1 + 3 + 38 + 499 + 97 + 21 = 666.

It is not a de Polignac number, because 713384999721 - 2¹⁵ = 713384966953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (713384999741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 89583486 + ... + 89591448.

It is an arithmetic number, because the mean of its divisors is an integer number (11987452620).

Almost surely, 2^713384999721 is an apocalyptic number.

It is an amenable number.

713384999721 is a deficient number, since it is larger than the sum of its proper divisors (437410451799).

713384999721 is a wasteful number, since it uses less digits than its factorization.

713384999721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8407 (or 8404 counting only the distinct ones).

The product of its digits is 20575296, while the sum is 63.

The spelling of 713384999721 in words is "seven hundred thirteen billion, three hundred eighty-four million, nine hundred ninety-nine thousand, seven hundred twenty-one".