2889946771 has 2 divisors, whose sum is σ = 2889946772. Its totient is φ = 2889946770.

The previous prime is 2889946751. The next prime is 2889946777. The reversal of 2889946771 is 1776499882.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2889946771 - 2⁷ = 2889946643 is a prime.

It is not a weakly prime, because it can be changed into another prime (2889946777) 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 as a sum of consecutive naturals, namely, 1444973385 + 1444973386.

It is an arithmetic number, because the mean of its divisors is an integer number (1444973386).

Almost surely, 2^2889946771 is an apocalyptic number.

2889946771 is a deficient number, since it is larger than the sum of its proper divisors (1).

2889946771 is an equidigital number, since it uses as much as digits as its factorization.

2889946771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12192768, while the sum is 61.

The square root of 2889946771 is about 53758.2251474135. The cubic root of 2889946771 is about 1424.3933843189.

The spelling of 2889946771 in words is "two billion, eight hundred eighty-nine million, nine hundred forty-six thousand, seven hundred seventy-one".