189300569 has 2 divisors, whose sum is σ = 189300570. Its totient is φ = 189300568.

The previous prime is 189300533. The next prime is 189300581. The reversal of 189300569 is 965003981.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147865600 + 41434969 = 12160^2 + 6437^2 .

It is an emirp because it is prime and its reverse (965003981) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 189300569 - 2¹² = 189296473 is a prime.

It is a super-2 number, since 2×189300569² = 71669410847447522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (189300599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94650284 + 94650285.

It is an arithmetic number, because the mean of its divisors is an integer number (94650285).

Almost surely, 2^189300569 is an apocalyptic number.

It is an amenable number.

189300569 is a deficient number, since it is larger than the sum of its proper divisors (1).

189300569 is an equidigital number, since it uses as much as digits as its factorization.

189300569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 189300569 is about 13758.6543310020. The cubic root of 189300569 is about 574.1834094819.

The spelling of 189300569 in words is "one hundred eighty-nine million, three hundred thousand, five hundred sixty-nine".