7313885993 has 2 divisors, whose sum is σ = 7313885994. Its totient is φ = 7313885992.

The previous prime is 7313885947. The next prime is 7313886001. The reversal of 7313885993 is 3995883137.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3673935769 + 3639950224 = 60613^2 + 60332^2 .

It is an emirp because it is prime and its reverse (3995883137) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7313885993 - 2²⁰ = 7312837417 is a prime.

It is not a weakly prime, because it can be changed into another prime (7313885393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3656942996 + 3656942997.

It is an arithmetic number, because the mean of its divisors is an integer number (3656942997).

Almost surely, 2^7313885993 is an apocalyptic number.

It is an amenable number.

7313885993 is a deficient number, since it is larger than the sum of its proper divisors (1).

7313885993 is an equidigital number, since it uses as much as digits as its factorization.

7313885993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4898880, while the sum is 56.

The square root of 7313885993 is about 85521.2604736390. The cubic root of 7313885993 is about 1941.1066411729.

The spelling of 7313885993 in words is "seven billion, three hundred thirteen million, eight hundred eighty-five thousand, nine hundred ninety-three".