2044408822613 has 2 divisors, whose sum is σ = 2044408822614. Its totient is φ = 2044408822612.

The previous prime is 2044408822513. The next prime is 2044408822657. The reversal of 2044408822613 is 3162288044402.

It is an a-pointer prime, because the next prime (2044408822657) can be obtained adding 2044408822613 to its sum of digits (44).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1204916749969 + 839492072644 = 1097687^2 + 916238^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2044408822613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2044408822513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022204411306 + 1022204411307.

It is an arithmetic number, because the mean of its divisors is an integer number (1022204411307).

Almost surely, 2^{2044408822613} is an apocalyptic number.

It is an amenable number.

2044408822613 is a deficient number, since it is larger than the sum of its proper divisors (1).

2044408822613 is an equidigital number, since it uses as much as digits as its factorization.

2044408822613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 589824, while the sum is 44.

The spelling of 2044408822613 in words is "two trillion, forty-four billion, four hundred eight million, eight hundred twenty-two thousand, six hundred thirteen".