104443131439 has 16 divisors (see below), whose sum is σ = 108910638720. Its totient is φ = 100036581120.

The previous prime is 104443131437. The next prime is 104443131449. The reversal of 104443131439 is 934131344401.

It is not a de Polignac number, because 104443131439 - 2¹ = 104443131437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104443131398 and 104443131407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104443131437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1802629 + ... + 1859665.

It is an arithmetic number, because the mean of its divisors is an integer number (6806914920).

Almost surely, 2^104443131439 is an apocalyptic number.

104443131439 is a deficient number, since it is larger than the sum of its proper divisors (4467507281).

104443131439 is a wasteful number, since it uses less digits than its factorization.

104443131439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57570.

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 104443131439 in words is "one hundred four billion, four hundred forty-three million, one hundred thirty-one thousand, four hundred thirty-nine".