713506621873 has 4 divisors (see below), whose sum is σ = 713611695168. Its totient is φ = 713401548580.

The previous prime is 713506621783. The next prime is 713506621939. The reversal of 713506621873 is 378126605317.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 713506621873 - 2²⁵ = 713473067441 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (713506621973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52526461 + ... + 52540042.

It is an arithmetic number, because the mean of its divisors is an integer number (178402923792).

Almost surely, 2^713506621873 is an apocalyptic number.

It is an amenable number.

713506621873 is a deficient number, since it is larger than the sum of its proper divisors (105073295).

713506621873 is a wasteful number, since it uses less digits than its factorization.

713506621873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105073294.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The spelling of 713506621873 in words is "seven hundred thirteen billion, five hundred six million, six hundred twenty-one thousand, eight hundred seventy-three".