189100033 has 2 divisors, whose sum is σ = 189100034. Its totient is φ = 189100032.

The previous prime is 189100013. The next prime is 189100057. The reversal of 189100033 is 330001981.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102758769 + 86341264 = 10137^2 + 9292^2 .

It is a cyclic number.

It is not a de Polignac number, because 189100033 - 2⁵ = 189100001 is a prime.

It is a super-3 number, since 3×189100033³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 189099980 and 189100007.

It is not a weakly prime, because it can be changed into another prime (189100013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94550016 + 94550017.

It is an arithmetic number, because the mean of its divisors is an integer number (94550017).

Almost surely, 2^189100033 is an apocalyptic number.

It is an amenable number.

189100033 is a deficient number, since it is larger than the sum of its proper divisors (1).

189100033 is an equidigital number, since it uses as much as digits as its factorization.

189100033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 189100033 is about 13751.3647686330. The cubic root of 189100033 is about 573.9805836650.

The spelling of 189100033 in words is "one hundred eighty-nine million, one hundred thousand, thirty-three".