715643089 has 8 divisors (see below), whose sum is σ = 834569600. Its totient is φ = 613408068.

The previous prime is 715643083. The next prime is 715643099. The reversal of 715643089 is 980346517.

It is not a de Polignac number, because 715643089 - 2⁵ = 715643057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (715643083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1042869 + ... + 1043554.

It is an arithmetic number, because the mean of its divisors is an integer number (104321200).

Almost surely, 2^715643089 is an apocalyptic number.

It is an amenable number.

715643089 is a deficient number, since it is larger than the sum of its proper divisors (118926511).

715643089 is an equidigital number, since it uses as much as digits as its factorization.

715643089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086444 (or 2086430 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 715643089 is about 26751.5062940388. The cubic root of 715643089 is about 894.4694124235.

The spelling of 715643089 in words is "seven hundred fifteen million, six hundred forty-three thousand, eighty-nine".