189468611 has 2 divisors, whose sum is σ = 189468612. Its totient is φ = 189468610.

The previous prime is 189468607. The next prime is 189468637. The reversal of 189468611 is 116864981.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 189468611 - 2² = 189468607 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (189468691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94734305 + 94734306.

It is an arithmetic number, because the mean of its divisors is an integer number (94734306).

Almost surely, 2^189468611 is an apocalyptic number.

189468611 is a deficient number, since it is larger than the sum of its proper divisors (1).

189468611 is an equidigital number, since it uses as much as digits as its factorization.

189468611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 44.

The square root of 189468611 is about 13764.7597509001. The cubic root of 189468611 is about 574.3532599876.

The spelling of 189468611 in words is "one hundred eighty-nine million, four hundred sixty-eight thousand, six hundred eleven".