42044213599 has 2 divisors, whose sum is σ = 42044213600. Its totient is φ = 42044213598.

The previous prime is 42044213579. The next prime is 42044213609. The reversal of 42044213599 is 99531244024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42044213599 - 2⁵ = 42044213567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42044213539) 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, 21022106799 + 21022106800.

It is an arithmetic number, because the mean of its divisors is an integer number (21022106800).

Almost surely, 2^42044213599 is an apocalyptic number.

42044213599 is a deficient number, since it is larger than the sum of its proper divisors (1).

42044213599 is an equidigital number, since it uses as much as digits as its factorization.

42044213599 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 42044213599 in words is "forty-two billion, forty-four million, two hundred thirteen thousand, five hundred ninety-nine".