2091404293 has 24 divisors (see below), whose sum is σ = 2338265664. Its totient is φ = 1870408320.

The previous prime is 2091404269. The next prime is 2091404297. The reversal of 2091404293 is 3924041902.

It is not a de Polignac number, because 2091404293 - 2¹⁷ = 2091273221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2091404297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12523296 + ... + 12523462.

It is an arithmetic number, because the mean of its divisors is an integer number (97427736).

Almost surely, 2^2091404293 is an apocalyptic number.

It is an amenable number.

2091404293 is a deficient number, since it is larger than the sum of its proper divisors (246861371).

2091404293 is an frugal number, since it uses more digits than its factorization.

2091404293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 2091404293 is about 45731.8739283664. The cubic root of 2091404293 is about 1278.8295560786.

The spelling of 2091404293 in words is "two billion, ninety-one million, four hundred four thousand, two hundred ninety-three".