8249011189 has 2 divisors, whose sum is σ = 8249011190. Its totient is φ = 8249011188.

The previous prime is 8249011171. The next prime is 8249011229. The reversal of 8249011189 is 9811109428.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4275852100 + 3973159089 = 65390^2 + 63033^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8249011189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8249011289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4124505594 + 4124505595.

It is an arithmetic number, because the mean of its divisors is an integer number (4124505595).

Almost surely, 2^8249011189 is an apocalyptic number.

It is an amenable number.

8249011189 is a deficient number, since it is larger than the sum of its proper divisors (1).

8249011189 is an equidigital number, since it uses as much as digits as its factorization.

8249011189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 43.

The square root of 8249011189 is about 90824.0672344065. The cubic root of 8249011189 is about 2020.5392793566.

The spelling of 8249011189 in words is "eight billion, two hundred forty-nine million, eleven thousand, one hundred eighty-nine".