2766560971 has 2 divisors, whose sum is σ = 2766560972. Its totient is φ = 2766560970.

The previous prime is 2766560947. The next prime is 2766561013. The reversal of 2766560971 is 1790656672.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2766560971 - 2⁷ = 2766560843 is a prime.

It is not a weakly prime, because it can be changed into another prime (2766560371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1383280485 + 1383280486.

It is an arithmetic number, because the mean of its divisors is an integer number (1383280486).

Almost surely, 2^2766560971 is an apocalyptic number.

2766560971 is a deficient number, since it is larger than the sum of its proper divisors (1).

2766560971 is an equidigital number, since it uses as much as digits as its factorization.

2766560971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 952560, while the sum is 49.

The square root of 2766560971 is about 52598.1080553284. The cubic root of 2766560971 is about 1403.8264320290.

The spelling of 2766560971 in words is "two billion, seven hundred sixty-six million, five hundred sixty thousand, nine hundred seventy-one".