8643249119 has 2 divisors, whose sum is σ = 8643249120. Its totient is φ = 8643249118.

The previous prime is 8643249101. The next prime is 8643249127. The reversal of 8643249119 is 9119423468.

8643249119 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8643249119 - 2²⁸ = 8374813663 is a prime.

It is a super-2 number, since 2×8643249119² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8643249919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4321624559 + 4321624560.

It is an arithmetic number, because the mean of its divisors is an integer number (4321624560).

Almost surely, 2^8643249119 is an apocalyptic number.

8643249119 is a deficient number, since it is larger than the sum of its proper divisors (1).

8643249119 is an equidigital number, since it uses as much as digits as its factorization.

8643249119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 47.

The square root of 8643249119 is about 92969.0761436296. The cubic root of 8643249119 is about 2052.2283220787.

The spelling of 8643249119 in words is "eight billion, six hundred forty-three million, two hundred forty-nine thousand, one hundred nineteen".