8192997149 has 2 divisors, whose sum is σ = 8192997150. Its totient is φ = 8192997148.

The previous prime is 8192997073. The next prime is 8192997157. The reversal of 8192997149 is 9417992918.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5652333124 + 2540664025 = 75182^2 + 50405^2 .

It is a cyclic number.

It is not a de Polignac number, because 8192997149 - 2⁸ = 8192996893 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8192397149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4096498574 + 4096498575.

It is an arithmetic number, because the mean of its divisors is an integer number (4096498575).

Almost surely, 2^8192997149 is an apocalyptic number.

It is an amenable number.

8192997149 is a deficient number, since it is larger than the sum of its proper divisors (1).

8192997149 is an equidigital number, since it uses as much as digits as its factorization.

8192997149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2939328, while the sum is 59.

The square root of 8192997149 is about 90515.1763462901. The cubic root of 8192997149 is about 2015.9554687670.

The spelling of 8192997149 in words is "eight billion, one hundred ninety-two million, nine hundred ninety-seven thousand, one hundred forty-nine".