2966906881 has 4 divisors (see below), whose sum is σ = 2972049412. Its totient is φ = 2961764352.

The previous prime is 2966906879. The next prime is 2966906941. The reversal of 2966906881 is 1886096692.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1460768400 + 1506138481 = 38220^2 + 38809^2 .

It is a cyclic number.

It is not a de Polignac number, because 2966906881 - 2¹ = 2966906879 is a prime.

It is a super-2 number, since 2×2966906881² = 17605072881050296322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2966906851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2570400 + ... + 2571553.

It is an arithmetic number, because the mean of its divisors is an integer number (743012353).

Almost surely, 2^2966906881 is an apocalyptic number.

It is an amenable number.

2966906881 is a deficient number, since it is larger than the sum of its proper divisors (5142531).

2966906881 is an equidigital number, since it uses as much as digits as its factorization.

2966906881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5142530.

The product of its (nonzero) digits is 2239488, while the sum is 55.

The square root of 2966906881 is about 54469.3205483601. The cubic root of 2966906881 is about 1436.9267793508.

The spelling of 2966906881 in words is "two billion, nine hundred sixty-six million, nine hundred six thousand, eight hundred eighty-one".