713416640645 has 4 divisors (see below), whose sum is σ = 856099968780. Its totient is φ = 570733312512.

The previous prime is 713416640633. The next prime is 713416640689. The reversal of 713416640645 is 546046614317.

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

It can be written as a sum of positive squares in 2 ways, for example, as 353750163361 + 359666477284 = 594769^2 + 599722^2 .

It is a cyclic number.

It is not a de Polignac number, because 713416640645 - 2¹² = 713416636549 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 713416640645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71341664060 + ... + 71341664069.

It is an arithmetic number, because the mean of its divisors is an integer number (214024992195).

Almost surely, 2^713416640645 is an apocalyptic number.

It is an amenable number.

713416640645 is a deficient number, since it is larger than the sum of its proper divisors (142683328135).

713416640645 is a wasteful number, since it uses less digits than its factorization.

713416640645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142683328134.

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 713416640645 in words is "seven hundred thirteen billion, four hundred sixteen million, six hundred forty thousand, six hundred forty-five".