2104508391 has 8 divisors (see below), whose sum is σ = 2847892224. Its totient is φ = 1382065080.

The previous prime is 2104508389. The next prime is 2104508423. The reversal of 2104508391 is 1938054012.

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

It is not a de Polignac number, because 2104508391 - 2¹ = 2104508389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104508321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5234895 + ... + 5235296.

It is an arithmetic number, because the mean of its divisors is an integer number (355986528).

Almost surely, 2^2104508391 is an apocalyptic number.

2104508391 is a deficient number, since it is larger than the sum of its proper divisors (743383833).

2104508391 is a wasteful number, since it uses less digits than its factorization.

2104508391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10470261.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 2104508391 is about 45874.9211552456. The cubic root of 2104508391 is about 1281.4949149860.

The spelling of 2104508391 in words is "two billion, one hundred four million, five hundred eight thousand, three hundred ninety-one".