2261095189 has 2 divisors, whose sum is σ = 2261095190. Its totient is φ = 2261095188.

The previous prime is 2261095159. The next prime is 2261095231. The reversal of 2261095189 is 9815901622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1742394564 + 518700625 = 41742^2 + 22775^2 .

It is a cyclic number.

It is not a de Polignac number, because 2261095189 - 2⁷ = 2261095061 is a prime.

It is a super-2 number, since 2×2261095189² = 10225102907437891442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2261095159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1130547594 + 1130547595.

It is an arithmetic number, because the mean of its divisors is an integer number (1130547595).

Almost surely, 2^2261095189 is an apocalyptic number.

It is an amenable number.

2261095189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2261095189 is an equidigital number, since it uses as much as digits as its factorization.

2261095189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 2261095189 is about 47550.9746377506. The cubic root of 2261095189 is about 1312.5210642001.

The spelling of 2261095189 in words is "two billion, two hundred sixty-one million, ninety-five thousand, one hundred eighty-nine".