2044404413 has 2 divisors, whose sum is σ = 2044404414. Its totient is φ = 2044404412.

The previous prime is 2044404409. The next prime is 2044404469. The reversal of 2044404413 is 3144044402.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1636445209 + 407959204 = 40453^2 + 20198^2 .

It is a cyclic number.

It is not a de Polignac number, because 2044404413 - 2² = 2044404409 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2044404913) 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, 1022202206 + 1022202207.

It is an arithmetic number, because the mean of its divisors is an integer number (1022202207).

Almost surely, 2^2044404413 is an apocalyptic number.

It is an amenable number.

2044404413 is a deficient number, since it is larger than the sum of its proper divisors (1).

2044404413 is an equidigital number, since it uses as much as digits as its factorization.

2044404413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 2044404413 is about 45215.0905450824. The cubic root of 2044404413 is about 1269.1772241178.

Adding to 2044404413 its reverse (3144044402), we get a palindrome (5188448815).

The spelling of 2044404413 in words is "two billion, forty-four million, four hundred four thousand, four hundred thirteen".