2291839905 has 16 divisors (see below), whose sum is σ = 3681218304. Its totient is φ = 1217556480.

The previous prime is 2291839883. The next prime is 2291839933. The reversal of 2291839905 is 5099381922.

It is not a de Polignac number, because 2291839905 - 2²² = 2287645601 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293401 + ... + 301110.

It is an arithmetic number, because the mean of its divisors is an integer number (230076144).

Almost surely, 2^2291839905 is an apocalyptic number.

It is an amenable number.

2291839905 is a deficient number, since it is larger than the sum of its proper divisors (1389378399).

2291839905 is a wasteful number, since it uses less digits than its factorization.

2291839905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594776.

The product of its (nonzero) digits is 349920, while the sum is 48.

The square root of 2291839905 is about 47873.1647690019. The cubic root of 2291839905 is about 1318.4432031014.

The spelling of 2291839905 in words is "two billion, two hundred ninety-one million, eight hundred thirty-nine thousand, nine hundred five".