2290173491 has 2 divisors, whose sum is σ = 2290173492. Its totient is φ = 2290173490.

The previous prime is 2290173469. The next prime is 2290173527. The reversal of 2290173491 is 1943710922.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2290173491 is a prime.

It is not a weakly prime, because it can be changed into another prime (2290173401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1145086745 + 1145086746.

It is an arithmetic number, because the mean of its divisors is an integer number (1145086746).

Almost surely, 2^2290173491 is an apocalyptic number.

2290173491 is a deficient number, since it is larger than the sum of its proper divisors (1).

2290173491 is an equidigital number, since it uses as much as digits as its factorization.

2290173491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 2290173491 is about 47855.7571353750. The cubic root of 2290173491 is about 1318.1235756374.

The spelling of 2290173491 in words is "two billion, two hundred ninety million, one hundred seventy-three thousand, four hundred ninety-one".