7313445663 has 16 divisors (see below), whose sum is σ = 9826118400. Its totient is φ = 4838235840.

The previous prime is 7313445647. The next prime is 7313445691. The reversal of 7313445663 is 3665443137.

It is not a de Polignac number, because 7313445663 - 2⁴ = 7313445647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7313445163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1616118 + ... + 1620636.

It is an arithmetic number, because the mean of its divisors is an integer number (614132400).

Almost surely, 2^7313445663 is an apocalyptic number.

7313445663 is a deficient number, since it is larger than the sum of its proper divisors (2512672737).

7313445663 is a wasteful number, since it uses less digits than its factorization.

7313445663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8542.

The product of its digits is 544320, while the sum is 42.

The square root of 7313445663 is about 85518.6860457994. The cubic root of 7313445663 is about 1941.0676858377.

The spelling of 7313445663 in words is "seven billion, three hundred thirteen million, four hundred forty-five thousand, six hundred sixty-three".