189852911 has 2 divisors, whose sum is σ = 189852912. Its totient is φ = 189852910.

The previous prime is 189852877. The next prime is 189852913. The reversal of 189852911 is 119258981.

It is a strong prime.

It is an emirp because it is prime and its reverse (119258981) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 189852911 - 2²² = 185658607 is a prime.

Together with 189852913, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189852913) 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, 94926455 + 94926456.

It is an arithmetic number, because the mean of its divisors is an integer number (94926456).

Almost surely, 2^189852911 is an apocalyptic number.

189852911 is a deficient number, since it is larger than the sum of its proper divisors (1).

189852911 is an equidigital number, since it uses as much as digits as its factorization.

189852911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 44.

The square root of 189852911 is about 13778.7122402640. The cubic root of 189852911 is about 574.7413188025.

The spelling of 189852911 in words is "one hundred eighty-nine million, eight hundred fifty-two thousand, nine hundred eleven".