2104944919 has 24 divisors (see below), whose sum is σ = 2729560064. Its totient is φ = 1587286800.

The previous prime is 2104944899. The next prime is 2104944923. The reversal of 2104944919 is 9194494012.

It is not a de Polignac number, because 2104944919 - 2¹¹ = 2104942871 is a prime.

It is a super-2 number, since 2×2104944919² = 8861586224047833122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104944949) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13827 + ... + 66340.

Almost surely, 2^2104944919 is an apocalyptic number.

2104944919 is a deficient number, since it is larger than the sum of its proper divisors (624615145).

2104944919 is a wasteful number, since it uses less digits than its factorization.

2104944919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80227 (or 80216 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 2104944919 is about 45879.6787150913. The cubic root of 2104944919 is about 1281.5835136251.

The spelling of 2104944919 in words is "two billion, one hundred four million, nine hundred forty-four thousand, nine hundred nineteen".