189944414159 has 2 divisors, whose sum is σ = 189944414160. Its totient is φ = 189944414158.

The previous prime is 189944414123. The next prime is 189944414173. The reversal of 189944414159 is 951414449981.

It is a strong prime.

It is an emirp because it is prime and its reverse (951414449981) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-189944414159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 189944414098 and 189944414107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189944413159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94972207079 + 94972207080.

It is an arithmetic number, because the mean of its divisors is an integer number (94972207080).

Almost surely, 2^189944414159 is an apocalyptic number.

189944414159 is a deficient number, since it is larger than the sum of its proper divisors (1).

189944414159 is an equidigital number, since it uses as much as digits as its factorization.

189944414159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7464960, while the sum is 59.

The spelling of 189944414159 in words is "one hundred eighty-nine billion, nine hundred forty-four million, four hundred fourteen thousand, one hundred fifty-nine".