2089526291 has 2 divisors, whose sum is σ = 2089526292. Its totient is φ = 2089526290.

The previous prime is 2089526267. The next prime is 2089526293. The reversal of 2089526291 is 1926259802.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2089526291 is a prime.

It is a super-2 number, since 2×2089526291² = 8732240241560433362, which contains 22 as substring.

Together with 2089526293, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2089526293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1044763145 + 1044763146.

It is an arithmetic number, because the mean of its divisors is an integer number (1044763146).

Almost surely, 2^2089526291 is an apocalyptic number.

2089526291 is a deficient number, since it is larger than the sum of its proper divisors (1).

2089526291 is an equidigital number, since it uses as much as digits as its factorization.

2089526291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 2089526291 is about 45711.3365698270. The cubic root of 2089526291 is about 1278.4466612469.

The spelling of 2089526291 in words is "two billion, eighty-nine million, five hundred twenty-six thousand, two hundred ninety-one".