189073049 has 4 divisors (see below), whose sum is σ = 206261520. Its totient is φ = 171884580.

The previous prime is 189073039. The next prime is 189073051. The reversal of 189073049 is 940370981.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 189073049 - 2⁴ = 189073033 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 189072997 and 189073015.

It is not an unprimeable number, because it can be changed into a prime (189073039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8594219 + ... + 8594240.

It is an arithmetic number, because the mean of its divisors is an integer number (51565380).

Almost surely, 2^189073049 is an apocalyptic number.

It is an amenable number.

189073049 is a deficient number, since it is larger than the sum of its proper divisors (17188471).

189073049 is a wasteful number, since it uses less digits than its factorization.

189073049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17188470.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 189073049 is about 13750.3835946493. The cubic root of 189073049 is about 573.9532806046.

The spelling of 189073049 in words is "one hundred eighty-nine million, seventy-three thousand, forty-nine".