7315556689 has 4 divisors (see below), whose sum is σ = 8360636224. Its totient is φ = 6270477156.

The previous prime is 7315556659. The next prime is 7315556707. The reversal of 7315556689 is 9866555137.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9866555137 = 79 ⋅124893103.

It is a cyclic number.

It is not a de Polignac number, because 7315556689 - 2⁷ = 7315556561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7315556629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 522539757 + ... + 522539770.

It is an arithmetic number, because the mean of its divisors is an integer number (2090159056).

Almost surely, 2^7315556689 is an apocalyptic number.

It is an amenable number.

7315556689 is a deficient number, since it is larger than the sum of its proper divisors (1045079535).

7315556689 is a wasteful number, since it uses less digits than its factorization.

7315556689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045079534.

The product of its digits is 6804000, while the sum is 55.

The square root of 7315556689 is about 85531.0276390971. The cubic root of 7315556689 is about 1941.2544309253.

The spelling of 7315556689 in words is "seven billion, three hundred fifteen million, five hundred fifty-six thousand, six hundred eighty-nine".