2345090291 has 8 divisors (see below), whose sum is σ = 2361786960. Its totient is φ = 2328422112.

The previous prime is 2345090261. The next prime is 2345090309. The reversal of 2345090291 is 1920905432.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2345090291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2345090221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174281 + ... + 187253.

It is an arithmetic number, because the mean of its divisors is an integer number (295223370).

Almost surely, 2^2345090291 is an apocalyptic number.

2345090291 is a deficient number, since it is larger than the sum of its proper divisors (16696669).

2345090291 is a wasteful number, since it uses less digits than its factorization.

2345090291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14245.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 2345090291 is about 48426.1323151044. The cubic root of 2345090291 is about 1328.5763670888.

The spelling of 2345090291 in words is "two billion, three hundred forty-five million, ninety thousand, two hundred ninety-one".