7448077313 has 2 divisors, whose sum is σ = 7448077314. Its totient is φ = 7448077312.

The previous prime is 7448077309. The next prime is 7448077363. The reversal of 7448077313 is 3137708447.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4001448049 + 3446629264 = 63257^2 + 58708^2 .

It is a cyclic number.

It is not a de Polignac number, because 7448077313 - 2² = 7448077309 is a prime.

It is not a weakly prime, because it can be changed into another prime (7448077363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3724038656 + 3724038657.

It is an arithmetic number, because the mean of its divisors is an integer number (3724038657).

Almost surely, 2^7448077313 is an apocalyptic number.

It is an amenable number.

7448077313 is a deficient number, since it is larger than the sum of its proper divisors (1).

7448077313 is an equidigital number, since it uses as much as digits as its factorization.

7448077313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 395136, while the sum is 44.

The square root of 7448077313 is about 86302.2439627151. The cubic root of 7448077313 is about 1952.9062352106.

The spelling of 7448077313 in words is "seven billion, four hundred forty-eight million, seventy-seven thousand, three hundred thirteen".