2090290191 has 8 divisors (see below), whose sum is σ = 3040422144. Its totient is φ = 1266842520.

The previous prime is 2090290183. The next prime is 2090290193. The reversal of 2090290191 is 1910920902.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2090290191 - 2³ = 2090290183 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 63342127 = 2090290191 / (2 + 0 + 9 + 0 + 2 + 9 + 0 + 1 + 9 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2090290193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31671031 + ... + 31671096.

It is an arithmetic number, because the mean of its divisors is an integer number (380052768).

Almost surely, 2^2090290191 is an apocalyptic number.

2090290191 is a deficient number, since it is larger than the sum of its proper divisors (950131953).

2090290191 is a wasteful number, since it uses less digits than its factorization.

2090290191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63342141.

The product of its (nonzero) digits is 2916, while the sum is 33.

The square root of 2090290191 is about 45719.6915015839. The cubic root of 2090290191 is about 1278.6024360146.

The spelling of 2090290191 in words is "two billion, ninety million, two hundred ninety thousand, one hundred ninety-one".