189301687153 has 2 divisors, whose sum is σ = 189301687154. Its totient is φ = 189301687152.

The previous prime is 189301687109. The next prime is 189301687187. The reversal of 189301687153 is 351786103981.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 180053402929 + 9248284224 = 424327^2 + 96168^2 .

It is a cyclic number.

It is not a de Polignac number, because 189301687153 - 2²⁵ = 189268132721 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 189301687153.

It is not a weakly prime, because it can be changed into another prime (189301687193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94650843576 + 94650843577.

It is an arithmetic number, because the mean of its divisors is an integer number (94650843577).

Almost surely, 2^189301687153 is an apocalyptic number.

It is an amenable number.

189301687153 is a deficient number, since it is larger than the sum of its proper divisors (1).

189301687153 is an equidigital number, since it uses as much as digits as its factorization.

189301687153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 52.

The spelling of 189301687153 in words is "one hundred eighty-nine billion, three hundred one million, six hundred eighty-seven thousand, one hundred fifty-three".