2044415570881 has 2 divisors, whose sum is σ = 2044415570882. Its totient is φ = 2044415570880.

The previous prime is 2044415570807. The next prime is 2044415570903. The reversal of 2044415570881 is 1880755144402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1599506560656 + 444909010225 = 1264716^2 + 667015^2 .

It is a cyclic number.

It is not a de Polignac number, because 2044415570881 - 2⁹ = 2044415570369 is a prime.

It is a super-2 number, since 2×2044415570881² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2044415570081) 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, 1022207785440 + 1022207785441.

It is an arithmetic number, because the mean of its divisors is an integer number (1022207785441).

Almost surely, 2^{2044415570881} is an apocalyptic number.

It is an amenable number.

2044415570881 is a deficient number, since it is larger than the sum of its proper divisors (1).

2044415570881 is an equidigital number, since it uses as much as digits as its factorization.

2044415570881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1433600, while the sum is 49.

The spelling of 2044415570881 in words is "two trillion, forty-four billion, four hundred fifteen million, five hundred seventy thousand, eight hundred eighty-one".