42442244899 has 2 divisors, whose sum is σ = 42442244900. Its totient is φ = 42442244898.

The previous prime is 42442244857. The next prime is 42442244909. The reversal of 42442244899 is 99844224424.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42442244899 is a prime.

It is not a weakly prime, because it can be changed into another prime (42442244699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21221122449 + 21221122450.

It is an arithmetic number, because the mean of its divisors is an integer number (21221122450).

Almost surely, 2^42442244899 is an apocalyptic number.

42442244899 is a deficient number, since it is larger than the sum of its proper divisors (1).

42442244899 is an equidigital number, since it uses as much as digits as its factorization.

42442244899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5308416, while the sum is 52.

The spelling of 42442244899 in words is "forty-two billion, four hundred forty-two million, two hundred forty-four thousand, eight hundred ninety-nine".