189849113 has 2 divisors, whose sum is σ = 189849114. Its totient is φ = 189849112.

The previous prime is 189849091. The next prime is 189849133. The reversal of 189849113 is 311948981.

189849113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144192064 + 45657049 = 12008^2 + 6757^2 .

It is an emirp because it is prime and its reverse (311948981) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 189849113 - 2²⁶ = 122740249 is a prime.

It is not a weakly prime, because it can be changed into another prime (189849133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94924556 + 94924557.

It is an arithmetic number, because the mean of its divisors is an integer number (94924557).

Almost surely, 2^189849113 is an apocalyptic number.

It is an amenable number.

189849113 is a deficient number, since it is larger than the sum of its proper divisors (1).

189849113 is an equidigital number, since it uses as much as digits as its factorization.

189849113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 44.

The square root of 189849113 is about 13778.5744182771. The cubic root of 189849113 is about 574.7374862178.

The spelling of 189849113 in words is "one hundred eighty-nine million, eight hundred forty-nine thousand, one hundred thirteen".