7311493697 has 2 divisors, whose sum is σ = 7311493698. Its totient is φ = 7311493696.

The previous prime is 7311493681. The next prime is 7311493741. The reversal of 7311493697 is 7963941137.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3677694736 + 3633798961 = 60644^2 + 60281^2 .

It is a cyclic number.

It is not a de Polignac number, because 7311493697 - 2⁴ = 7311493681 is a prime.

It is not a weakly prime, because it can be changed into another prime (7311493597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3655746848 + 3655746849.

It is an arithmetic number, because the mean of its divisors is an integer number (3655746849).

Almost surely, 2^7311493697 is an apocalyptic number.

It is an amenable number.

7311493697 is a deficient number, since it is larger than the sum of its proper divisors (1).

7311493697 is an equidigital number, since it uses as much as digits as its factorization.

7311493697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 857304, while the sum is 50.

The square root of 7311493697 is about 85507.2727725543. The cubic root of 7311493697 is about 1940.8949794993.

The spelling of 7311493697 in words is "seven billion, three hundred eleven million, four hundred ninety-three thousand, six hundred ninety-seven".