718900002039 has 4 divisors (see below), whose sum is σ = 958533336056. Its totient is φ = 479266668024.

The previous prime is 718900002017. The next prime is 718900002043. The reversal of 718900002039 is 930200009817.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-718900002039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 718900001988 and 718900002006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (718900002239) 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, 119816667004 + ... + 119816667009.

It is an arithmetic number, because the mean of its divisors is an integer number (239633334014).

Almost surely, 2^718900002039 is an apocalyptic number.

718900002039 is a deficient number, since it is larger than the sum of its proper divisors (239633334017).

718900002039 is a wasteful number, since it uses less digits than its factorization.

718900002039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239633334016.

The product of its (nonzero) digits is 27216, while the sum is 39.

The spelling of 718900002039 in words is "seven hundred eighteen billion, nine hundred million, two thousand, thirty-nine".