189813105359 has 2 divisors, whose sum is σ = 189813105360. Its totient is φ = 189813105358.

The previous prime is 189813105329. The next prime is 189813105371. The reversal of 189813105359 is 953501318981.

It is a strong prime.

It is an emirp because it is prime and its reverse (953501318981) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 189813105359 - 2²⁸ = 189544669903 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 189813105359.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189813105319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94906552679 + 94906552680.

It is an arithmetic number, because the mean of its divisors is an integer number (94906552680).

Almost surely, 2^189813105359 is an apocalyptic number.

189813105359 is a deficient number, since it is larger than the sum of its proper divisors (1).

189813105359 is an equidigital number, since it uses as much as digits as its factorization.

189813105359 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1166400, while the sum is 53.

The spelling of 189813105359 in words is "one hundred eighty-nine billion, eight hundred thirteen million, one hundred five thousand, three hundred fifty-nine".