18442141589507 has 2 divisors, whose sum is σ = 18442141589508. Its totient is φ = 18442141589506.

The previous prime is 18442141589467. The next prime is 18442141589567. The reversal of 18442141589507 is 70598514124481.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18442141589507 is a prime.

It is a super-2 number, since 2×18442141589507² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (18442141589567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9221070794753 + 9221070794754.

It is an arithmetic number, because the mean of its divisors is an integer number (9221070794754).

Almost surely, 2^{18442141589507} is an apocalyptic number.

18442141589507 is a deficient number, since it is larger than the sum of its proper divisors (1).

18442141589507 is an equidigital number, since it uses as much as digits as its factorization.

18442141589507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12902400, while the sum is 59.

The spelling of 18442141589507 in words is "eighteen trillion, four hundred forty-two billion, one hundred forty-one million, five hundred eighty-nine thousand, five hundred seven".