7479847313 has 2 divisors, whose sum is σ = 7479847314. Its totient is φ = 7479847312.

The previous prime is 7479847261. The next prime is 7479847321. The reversal of 7479847313 is 3137489747.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4418659729 + 3061187584 = 66473^2 + 55328^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7479847313 is a prime.

It is not a weakly prime, because it can be changed into another prime (7479847513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3739923656 + 3739923657.

It is an arithmetic number, because the mean of its divisors is an integer number (3739923657).

Almost surely, 2^7479847313 is an apocalyptic number.

It is an amenable number.

7479847313 is a deficient number, since it is larger than the sum of its proper divisors (1).

7479847313 is an equidigital number, since it uses as much as digits as its factorization.

7479847313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3556224, while the sum is 53.

The square root of 7479847313 is about 86486.1105207073. The cubic root of 7479847313 is about 1955.6790234230.

The spelling of 7479847313 in words is "seven billion, four hundred seventy-nine million, eight hundred forty-seven thousand, three hundred thirteen".