2044440993919 has 2 divisors, whose sum is σ = 2044440993920. Its totient is φ = 2044440993918.

The previous prime is 2044440993913. The next prime is 2044440993953. The reversal of 2044440993919 is 9193990444402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2044440993919 - 2¹⁷ = 2044440862847 is a prime.

It is a super-2 number, since 2×2044440993919² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2044440993913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022220496959 + 1022220496960.

It is an arithmetic number, because the mean of its divisors is an integer number (1022220496960).

Almost surely, 2^{2044440993919} is an apocalyptic number.

2044440993919 is a deficient number, since it is larger than the sum of its proper divisors (1).

2044440993919 is an equidigital number, since it uses as much as digits as its factorization.

2044440993919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10077696, while the sum is 58.

The spelling of 2044440993919 in words is "two trillion, forty-four billion, four hundred forty million, nine hundred ninety-three thousand, nine hundred nineteen".