189154883 has 2 divisors, whose sum is σ = 189154884. Its totient is φ = 189154882.

The previous prime is 189154871. The next prime is 189154909. The reversal of 189154883 is 388451981.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 189154883 - 2¹⁰ = 189153859 is a prime.

It is not a weakly prime, because it can be changed into another prime (189154813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94577441 + 94577442.

It is an arithmetic number, because the mean of its divisors is an integer number (94577442).

Almost surely, 2^189154883 is an apocalyptic number.

189154883 is a deficient number, since it is larger than the sum of its proper divisors (1).

189154883 is an equidigital number, since it uses as much as digits as its factorization.

189154883 is an evil number, because the sum of its binary digits is even.

The product of its digits is 276480, while the sum is 47.

The square root of 189154883 is about 13753.3589715386. The cubic root of 189154883 is about 574.0360742098.

The spelling of 189154883 in words is "one hundred eighty-nine million, one hundred fifty-four thousand, eight hundred eighty-three".