6591700961 has 2 divisors, whose sum is σ = 6591700962. Its totient is φ = 6591700960.

The previous prime is 6591700933. The next prime is 6591700993. The reversal of 6591700961 is 1690071956.

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., 6568129936 + 23571025 = 81044^2 + 4855^2 .

It is a cyclic number.

It is not a de Polignac number, because 6591700961 - 2¹⁰ = 6591699937 is a prime.

It is not a weakly prime, because it can be changed into another prime (6591700561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3295850480 + 3295850481.

It is an arithmetic number, because the mean of its divisors is an integer number (3295850481).

Almost surely, 2^6591700961 is an apocalyptic number.

It is an amenable number.

6591700961 is a deficient number, since it is larger than the sum of its proper divisors (1).

6591700961 is an equidigital number, since it uses as much as digits as its factorization.

6591700961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 102060, while the sum is 44.

The square root of 6591700961 is about 81189.2909255894. The cubic root of 6591700961 is about 1874.9909058877.

The spelling of 6591700961 in words is "six billion, five hundred ninety-one million, seven hundred thousand, nine hundred sixty-one".