104439299149 has 4 divisors (see below), whose sum is σ = 104723875264. Its totient is φ = 104154723036.

The previous prime is 104439299143. The next prime is 104439299171. The reversal of 104439299149 is 941992934401.

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 104439299149 - 2³ = 104439299141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 104439299149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104439299141) 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, 142287507 + ... + 142288240.

It is an arithmetic number, because the mean of its divisors is an integer number (26180968816).

Almost surely, 2^104439299149 is an apocalyptic number.

It is an amenable number.

104439299149 is a deficient number, since it is larger than the sum of its proper divisors (284576115).

104439299149 is an equidigital number, since it uses as much as digits as its factorization.

104439299149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284576114.

The product of its (nonzero) digits is 2519424, while the sum is 55.

The spelling of 104439299149 in words is "one hundred four billion, four hundred thirty-nine million, two hundred ninety-nine thousand, one hundred forty-nine".