100910000189 has 2 divisors, whose sum is σ = 100910000190. Its totient is φ = 100910000188.

The previous prime is 100910000167. The next prime is 100910000209. The reversal of 100910000189 is 981000019001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92495056900 + 8414943289 = 304130^2 + 91733^2 .

It is a cyclic number.

It is not a de Polignac number, because 100910000189 - 2²⁰ = 100908951613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100910030189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50455000094 + 50455000095.

It is an arithmetic number, because the mean of its divisors is an integer number (50455000095).

Almost surely, 2^100910000189 is an apocalyptic number.

It is an amenable number.

100910000189 is a deficient number, since it is larger than the sum of its proper divisors (1).

100910000189 is an equidigital number, since it uses as much as digits as its factorization.

100910000189 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 29.

The spelling of 100910000189 in words is "one hundred billion, nine hundred ten million, one hundred eighty-nine", and thus it is an aban number.