2104133439 has 4 divisors (see below), whose sum is σ = 2805511256. Its totient is φ = 1402755624.

The previous prime is 2104133419. The next prime is 2104133441. The reversal of 2104133439 is 9343314012.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2104133439 - 2¹² = 2104129343 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 (2104133419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350688904 + ... + 350688909.

It is an arithmetic number, because the mean of its divisors is an integer number (701377814).

Almost surely, 2^2104133439 is an apocalyptic number.

2104133439 is a deficient number, since it is larger than the sum of its proper divisors (701377817).

2104133439 is an equidigital number, since it uses as much as digits as its factorization.

2104133439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701377816.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 2104133439 is about 45870.8342958791. The cubic root of 2104133439 is about 1281.4188041593.

The spelling of 2104133439 in words is "two billion, one hundred four million, one hundred thirty-three thousand, four hundred thirty-nine".