2044005309149 has 2 divisors, whose sum is σ = 2044005309150. Its totient is φ = 2044005309148.

The previous prime is 2044005309133. The next prime is 2044005309179. The reversal of 2044005309149 is 9419035004402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2024024073124 + 19981236025 = 1422682^2 + 141355^2 .

It is a cyclic number.

It is not a de Polignac number, because 2044005309149 - 2⁴ = 2044005309133 is a prime.

It is a super-4 number, since 4×2044005309149⁴ (a number of 50 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2044005309119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022002654574 + 1022002654575.

It is an arithmetic number, because the mean of its divisors is an integer number (1022002654575).

Almost surely, 2^{2044005309149} is an apocalyptic number.

It is an amenable number.

2044005309149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2044005309149 is an equidigital number, since it uses as much as digits as its factorization.

2044005309149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 2044005309149 in words is "two trillion, forty-four billion, five million, three hundred nine thousand, one hundred forty-nine".