2889787291 has 2 divisors, whose sum is σ = 2889787292. Its totient is φ = 2889787290.

The previous prime is 2889787267. The next prime is 2889787309. The reversal of 2889787291 is 1927879882.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2889787291 - 2⁷ = 2889787163 is a prime.

It is not a weakly prime, because it can be changed into another prime (2889785291) 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, 1444893645 + 1444893646.

It is an arithmetic number, because the mean of its divisors is an integer number (1444893646).

Almost surely, 2^2889787291 is an apocalyptic number.

2889787291 is a deficient number, since it is larger than the sum of its proper divisors (1).

2889787291 is an equidigital number, since it uses as much as digits as its factorization.

2889787291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8128512, while the sum is 61.

The square root of 2889787291 is about 53756.7418190500. The cubic root of 2889787291 is about 1424.3671824020.

The spelling of 2889787291 in words is "two billion, eight hundred eighty-nine million, seven hundred eighty-seven thousand, two hundred ninety-one".