2044515105449 has 2 divisors, whose sum is σ = 2044515105450. Its totient is φ = 2044515105448.

The previous prime is 2044515105427. The next prime is 2044515105467. The reversal of 2044515105449 is 9445015154402.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1403703648400 + 640811457049 = 1184780^2 + 800507^2 .

It is a cyclic number.

It is not a de Polignac number, because 2044515105449 - 2²⁴ = 2044498328233 is a prime.

It is not a weakly prime, because it can be changed into another prime (2044515105949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022257552724 + 1022257552725.

It is an arithmetic number, because the mean of its divisors is an integer number (1022257552725).

Almost surely, 2^{2044515105449} is an apocalyptic number.

It is an amenable number.

2044515105449 is a deficient number, since it is larger than the sum of its proper divisors (1).

2044515105449 is an equidigital number, since it uses as much as digits as its factorization.

2044515105449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576000, while the sum is 44.

The spelling of 2044515105449 in words is "two trillion, forty-four billion, five hundred fifteen million, one hundred five thousand, four hundred forty-nine".