2889650969 has 2 divisors, whose sum is σ = 2889650970. Its totient is φ = 2889650968.

The previous prime is 2889650899. The next prime is 2889650971. The reversal of 2889650969 is 9690569882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2713159744 + 176491225 = 52088^2 + 13285^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2889650969 is a prime.

It is a super-2 number, since 2×2889650969² = 16700165445285277922, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 2889650971, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2889650369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1444825484 + 1444825485.

It is an arithmetic number, because the mean of its divisors is an integer number (1444825485).

Almost surely, 2^2889650969 is an apocalyptic number.

It is an amenable number.

2889650969 is a deficient number, since it is larger than the sum of its proper divisors (1).

2889650969 is an equidigital number, since it uses as much as digits as its factorization.

2889650969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16796160, while the sum is 62.

The square root of 2889650969 is about 53755.4738515065. The cubic root of 2889650969 is about 1424.3447844863.

The spelling of 2889650969 in words is "two billion, eight hundred eighty-nine million, six hundred fifty thousand, nine hundred sixty-nine".