713640609052 has 54 divisors (see below), whose sum is σ = 1516339093416. Its totient is φ = 287824383360.

The previous prime is 713640609043. The next prime is 713640609067. The reversal of 713640609052 is 250906046317.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 75987277 + ... + 75996667.

Almost surely, 2^713640609052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 713640609052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (758169546708).

713640609052 is an abundant number, since it is smaller than the sum of its proper divisors (802698484364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

713640609052 is an frugal number, since it uses more digits than its factorization.

713640609052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18827 (or 9417 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 713640609052 in words is "seven hundred thirteen billion, six hundred forty million, six hundred nine thousand, fifty-two".