389069111 has 2 divisors, whose sum is σ = 389069112. Its totient is φ = 389069110.

The previous prime is 389069071. The next prime is 389069141. The reversal of 389069111 is 111960983.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-389069111 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (389069141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194534555 + 194534556.

It is an arithmetic number, because the mean of its divisors is an integer number (194534556).

Almost surely, 2^389069111 is an apocalyptic number.

389069111 is a deficient number, since it is larger than the sum of its proper divisors (1).

389069111 is an equidigital number, since it uses as much as digits as its factorization.

389069111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 389069111 is about 19724.8348789033. The cubic root of 389069111 is about 730.0325944038.

The spelling of 389069111 in words is "three hundred eighty-nine million, sixty-nine thousand, one hundred eleven".