8644874699 has 2 divisors, whose sum is σ = 8644874700. Its totient is φ = 8644874698.

The previous prime is 8644874687. The next prime is 8644874701. The reversal of 8644874699 is 9964784468.

8644874699 is digitally balanced in base 3, 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 8644874699 - 2²⁴ = 8628097483 is a prime.

It is a super-2 number, since 2×8644874699² (a number of 21 digits) contains 22 as substring.

Together with 8644874701, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8644876699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4322437349 + 4322437350.

It is an arithmetic number, because the mean of its divisors is an integer number (4322437350).

Almost surely, 2^8644874699 is an apocalyptic number.

8644874699 is a deficient number, since it is larger than the sum of its proper divisors (1).

8644874699 is an equidigital number, since it uses as much as digits as its factorization.

8644874699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 83607552, while the sum is 65.

The square root of 8644874699 is about 92977.8183170588. The cubic root of 8644874699 is about 2052.3569717006.

The spelling of 8644874699 in words is "eight billion, six hundred forty-four million, eight hundred seventy-four thousand, six hundred ninety-nine".