716563037605 has 4 divisors (see below), whose sum is σ = 859875645132. Its totient is φ = 573250430080.

The previous prime is 716563037573. The next prime is 716563037609. The reversal of 716563037605 is 506730365617.

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 414996216804 + 301566820801 = 644202^2 + 549151^2 .

It is not a de Polignac number, because 716563037605 - 2⁵ = 716563037573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716563037609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71656303756 + ... + 71656303765.

It is an arithmetic number, because the mean of its divisors is an integer number (214968911283).

Almost surely, 2^716563037605 is an apocalyptic number.

It is an amenable number.

716563037605 is a deficient number, since it is larger than the sum of its proper divisors (143312607527).

716563037605 is a wasteful number, since it uses less digits than its factorization.

716563037605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143312607526.

The product of its (nonzero) digits is 2381400, while the sum is 49.

The spelling of 716563037605 in words is "seven hundred sixteen billion, five hundred sixty-three million, thirty-seven thousand, six hundred five".