8012240189 has 4 divisors (see below), whose sum is σ = 8063273724. Its totient is φ = 7961206656.

The previous prime is 8012240183. The next prime is 8012240231. The reversal of 8012240189 is 9810422108.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2122905625 + 5889334564 = 46075^2 + 76742^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8012240189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8012240183) 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, 25516532 + ... + 25516845.

It is an arithmetic number, because the mean of its divisors is an integer number (2015818431).

Almost surely, 2^8012240189 is an apocalyptic number.

It is an amenable number.

8012240189 is a deficient number, since it is larger than the sum of its proper divisors (51033535).

8012240189 is a wasteful number, since it uses less digits than its factorization.

8012240189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51033534.

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 8012240189 is about 89511.1176837827. The cubic root of 8012240189 is about 2001.0194959757.

The spelling of 8012240189 in words is "eight billion, twelve million, two hundred forty thousand, one hundred eighty-nine".