2956670881 has 2 divisors, whose sum is σ = 2956670882. Its totient is φ = 2956670880.

The previous prime is 2956670863. The next prime is 2956670897. The reversal of 2956670881 is 1880766592.

2956670881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2733616656 + 223054225 = 52284^2 + 14935^2 .

It is a cyclic number.

It is not a de Polignac number, because 2956670881 - 2¹⁷ = 2956539809 is a prime.

It is a super-2 number, since 2×2956670881² = 17483805397106632322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2956670081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1478335440 + 1478335441.

It is an arithmetic number, because the mean of its divisors is an integer number (1478335441).

Almost surely, 2^2956670881 is an apocalyptic number.

It is an amenable number.

2956670881 is a deficient number, since it is larger than the sum of its proper divisors (1).

2956670881 is an equidigital number, since it uses as much as digits as its factorization.

2956670881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 52.

The square root of 2956670881 is about 54375.2782153802. The cubic root of 2956670881 is about 1435.2723818562.

The spelling of 2956670881 in words is "two billion, nine hundred fifty-six million, six hundred seventy thousand, eight hundred eighty-one".