7963261697 has 2 divisors, whose sum is σ = 7963261698. Its totient is φ = 7963261696.

The previous prime is 7963261661. The next prime is 7963261711. The reversal of 7963261697 is 7961623697.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7850137201 + 113124496 = 88601^2 + 10636^2 .

It is a cyclic number.

It is not a de Polignac number, because 7963261697 - 2²² = 7959067393 is a prime.

It is not a weakly prime, because it can be changed into another prime (7963261637) 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, 3981630848 + 3981630849.

It is an arithmetic number, because the mean of its divisors is an integer number (3981630849).

Almost surely, 2^7963261697 is an apocalyptic number.

It is an amenable number.

7963261697 is a deficient number, since it is larger than the sum of its proper divisors (1).

7963261697 is an equidigital number, since it uses as much as digits as its factorization.

7963261697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5143824, while the sum is 56.

The square root of 7963261697 is about 89237.1094164306. The cubic root of 7963261697 is about 1996.9337762884.

The spelling of 7963261697 in words is "seven billion, nine hundred sixty-three million, two hundred sixty-one thousand, six hundred ninety-seven".