7651651361 has 2 divisors, whose sum is σ = 7651651362. Its totient is φ = 7651651360.

The previous prime is 7651651351. The next prime is 7651651369. The reversal of 7651651361 is 1631561567.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5833140625 + 1818510736 = 76375^2 + 42644^2 .

It is a cyclic number.

It is not a de Polignac number, because 7651651361 - 2³⁰ = 6577909537 is a prime.

It is not a weakly prime, because it can be changed into another prime (7651651369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3825825680 + 3825825681.

It is an arithmetic number, because the mean of its divisors is an integer number (3825825681).

Almost surely, 2^7651651361 is an apocalyptic number.

It is an amenable number.

7651651361 is a deficient number, since it is larger than the sum of its proper divisors (1).

7651651361 is an equidigital number, since it uses as much as digits as its factorization.

7651651361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 113400, while the sum is 41.

The square root of 7651651361 is about 87473.7181157861. The cubic root of 7651651361 is about 1970.5391054646.

The spelling of 7651651361 in words is "seven billion, six hundred fifty-one million, six hundred fifty-one thousand, three hundred sixty-one".