6961280057 has 2 divisors, whose sum is σ = 6961280058. Its totient is φ = 6961280056.

The previous prime is 6961280033. The next prime is 6961280063. The reversal of 6961280057 is 7500821696.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4647285241 + 2313994816 = 68171^2 + 48104^2 .

It is a cyclic number.

It is not a de Polignac number, because 6961280057 - 2³⁰ = 5887538233 is a prime.

It is not a weakly prime, because it can be changed into another prime (6961280017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3480640028 + 3480640029.

It is an arithmetic number, because the mean of its divisors is an integer number (3480640029).

Almost surely, 2^6961280057 is an apocalyptic number.

It is an amenable number.

6961280057 is a deficient number, since it is larger than the sum of its proper divisors (1).

6961280057 is an equidigital number, since it uses as much as digits as its factorization.

6961280057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 6961280057 is about 83434.2858601906. The cubic root of 6961280057 is about 1909.3975839270.

The spelling of 6961280057 in words is "six billion, nine hundred sixty-one million, two hundred eighty thousand, fifty-seven".