6255964961 has 2 divisors, whose sum is σ = 6255964962. Its totient is φ = 6255964960.

The previous prime is 6255964943. The next prime is 6255964987. The reversal of 6255964961 is 1694695526.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5778280225 + 477684736 = 76015^2 + 21856^2 .

It is a cyclic number.

It is not a de Polignac number, because 6255964961 - 2¹⁴ = 6255948577 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (6255964901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3127982480 + 3127982481.

It is an arithmetic number, because the mean of its divisors is an integer number (3127982481).

Almost surely, 2^6255964961 is an apocalyptic number.

It is an amenable number.

6255964961 is a deficient number, since it is larger than the sum of its proper divisors (1).

6255964961 is an equidigital number, since it uses as much as digits as its factorization.

6255964961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3499200, while the sum is 53.

The square root of 6255964961 is about 79094.6582330311. The cubic root of 6255964961 is about 1842.6015657722.

The spelling of 6255964961 in words is "six billion, two hundred fifty-five million, nine hundred sixty-four thousand, nine hundred sixty-one".