189549383 has 2 divisors, whose sum is σ = 189549384. Its totient is φ = 189549382.

The previous prime is 189549379. The next prime is 189549389. The reversal of 189549383 is 383945981.

189549383 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 189549383 - 2² = 189549379 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 (189549389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94774691 + 94774692.

It is an arithmetic number, because the mean of its divisors is an integer number (94774692).

Almost surely, 2^189549383 is an apocalyptic number.

189549383 is a deficient number, since it is larger than the sum of its proper divisors (1).

189549383 is an equidigital number, since it uses as much as digits as its factorization.

189549383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 50.

The square root of 189549383 is about 13767.6934524270. The cubic root of 189549383 is about 574.4348655377.

The spelling of 189549383 in words is "one hundred eighty-nine million, five hundred forty-nine thousand, three hundred eighty-three".