189289411 has 2 divisors, whose sum is σ = 189289412. Its totient is φ = 189289410.

The previous prime is 189289369. The next prime is 189289417. The reversal of 189289411 is 114982981.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (114982981) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 189289411 - 2¹¹ = 189287363 is a prime.

It is a super-2 number, since 2×189289411² = 71660962233453842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (189289417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94644705 + 94644706.

It is an arithmetic number, because the mean of its divisors is an integer number (94644706).

Almost surely, 2^189289411 is an apocalyptic number.

189289411 is a deficient number, since it is larger than the sum of its proper divisors (1).

189289411 is an equidigital number, since it uses as much as digits as its factorization.

189289411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 43.

The square root of 189289411 is about 13758.2488347900. The cubic root of 189289411 is about 574.1721278388.

The spelling of 189289411 in words is "one hundred eighty-nine million, two hundred eighty-nine thousand, four hundred eleven".