6314599961 has 2 divisors, whose sum is σ = 6314599962. Its totient is φ = 6314599960.

The previous prime is 6314599957. The next prime is 6314600029. The reversal of 6314599961 is 1699954136.

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., 6127758400 + 186841561 = 78280^2 + 13669^2 .

It is a cyclic number.

It is not a de Polignac number, because 6314599961 - 2² = 6314599957 is a prime.

It is a super-2 number, since 2×6314599961² = 79748345334922403042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6314599661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3157299980 + 3157299981.

It is an arithmetic number, because the mean of its divisors is an integer number (3157299981).

Almost surely, 2^6314599961 is an apocalyptic number.

It is an amenable number.

6314599961 is a deficient number, since it is larger than the sum of its proper divisors (1).

6314599961 is an equidigital number, since it uses as much as digits as its factorization.

6314599961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1574640, while the sum is 53.

The square root of 6314599961 is about 79464.4572183061. The cubic root of 6314599961 is about 1848.3403631538.

The spelling of 6314599961 in words is "six billion, three hundred fourteen million, five hundred ninety-nine thousand, nine hundred sixty-one".