7317946897 has 2 divisors, whose sum is σ = 7317946898. Its totient is φ = 7317946896.

The previous prime is 7317946891. The next prime is 7317946901. The reversal of 7317946897 is 7986497137.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7066756096 + 251190801 = 84064^2 + 15849^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7317946897 is a prime.

It is not a weakly prime, because it can be changed into another prime (7317946891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3658973448 + 3658973449.

It is an arithmetic number, because the mean of its divisors is an integer number (3658973449).

Almost surely, 2^7317946897 is an apocalyptic number.

It is an amenable number.

7317946897 is a deficient number, since it is larger than the sum of its proper divisors (1).

7317946897 is an equidigital number, since it uses as much as digits as its factorization.

7317946897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16003008, while the sum is 61.

The square root of 7317946897 is about 85544.9992518557. Note that the first 3 decimals coincide. The cubic root of 7317946897 is about 1941.4658295843.

The spelling of 7317946897 in words is "seven billion, three hundred seventeen million, nine hundred forty-six thousand, eight hundred ninety-seven".