2104440373439 has 2 divisors, whose sum is σ = 2104440373440. Its totient is φ = 2104440373438.

The previous prime is 2104440373423. The next prime is 2104440373573. The reversal of 2104440373439 is 9343730444012.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2104440373439 - 2⁴ = 2104440373423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2104440373439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2104440373639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052220186719 + 1052220186720.

It is an arithmetic number, because the mean of its divisors is an integer number (1052220186720).

Almost surely, 2^{2104440373439} is an apocalyptic number.

2104440373439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104440373439 is an equidigital number, since it uses as much as digits as its factorization.

2104440373439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 44.

The spelling of 2104440373439 in words is "two trillion, one hundred four billion, four hundred forty million, three hundred seventy-three thousand, four hundred thirty-nine".