2044402003999 has 2 divisors, whose sum is σ = 2044402004000. Its totient is φ = 2044402003998.

The previous prime is 2044402003981. The next prime is 2044402004023. The reversal of 2044402003999 is 9993002044402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2044402003999 - 2⁹ = 2044402003487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2044402003939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022201001999 + 1022201002000.

It is an arithmetic number, because the mean of its divisors is an integer number (1022201002000).

Almost surely, 2^{2044402003999} is an apocalyptic number.

2044402003999 is a deficient number, since it is larger than the sum of its proper divisors (1).

2044402003999 is an equidigital number, since it uses as much as digits as its factorization.

2044402003999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 559872, while the sum is 46.

The spelling of 2044402003999 in words is "two trillion, forty-four billion, four hundred two million, three thousand, nine hundred ninety-nine".