2104429999 has 12 divisors (see below), whose sum is σ = 2452345200. Its totient is φ = 1800603168.

The previous prime is 2104429991. The next prime is 2104430021. The reversal of 2104429999 is 9999244012.

It is a happy number.

It is not a de Polignac number, because 2104429999 - 2³ = 2104429991 is a prime.

It is a super-2 number, since 2×2104429999² = 8857251241382280002, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104429991) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9859 + ... + 65620.

It is an arithmetic number, because the mean of its divisors is an integer number (204362100).

Almost surely, 2^2104429999 is an apocalyptic number.

2104429999 is a deficient number, since it is larger than the sum of its proper divisors (347915201).

2104429999 is an equidigital number, since it uses as much as digits as its factorization.

2104429999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76062 (or 76055 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 49.

The square root of 2104429999 is about 45874.0667371010. The cubic root of 2104429999 is about 1281.4790030836.

The spelling of 2104429999 in words is "two billion, one hundred four million, four hundred twenty-nine thousand, nine hundred ninety-nine".