2104931393 has 4 divisors (see below), whose sum is σ = 2118871488. Its totient is φ = 2090991300.

The previous prime is 2104931383. The next prime is 2104931417. The reversal of 2104931393 is 3931394012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2104931393 - 2⁶ = 2104931329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2104931303) 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 3 ways as a sum of consecutive naturals, for example, 6969821 + ... + 6970122.

It is an arithmetic number, because the mean of its divisors is an integer number (529717872).

Almost surely, 2^2104931393 is an apocalyptic number.

It is an amenable number.

2104931393 is a deficient number, since it is larger than the sum of its proper divisors (13940095).

2104931393 is a wasteful number, since it uses less digits than its factorization.

2104931393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13940094.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 2104931393 is about 45879.5313075450. The cubic root of 2104931393 is about 1281.5807685437.

The spelling of 2104931393 in words is "two billion, one hundred four million, nine hundred thirty-one thousand, three hundred ninety-three".