8243201659 has 16 divisors (see below), whose sum is σ = 10527906816. Its totient is φ = 6266606400.

The previous prime is 8243201563. The next prime is 8243201677. The reversal of 8243201659 is 9561023428.

It is a cyclic number.

It is not a de Polignac number, because 8243201659 - 2⁹ = 8243201147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8243201159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1302387 + ... + 1308700.

It is an arithmetic number, because the mean of its divisors is an integer number (657994176).

Almost surely, 2^8243201659 is an apocalyptic number.

8243201659 is a deficient number, since it is larger than the sum of its proper divisors (2284705157).

8243201659 is a wasteful number, since it uses less digits than its factorization.

8243201659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2611146.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 8243201659 is about 90792.0792745711. The cubic root of 8243201659 is about 2020.0648329843.

It can be divided in two parts, 8243 and 201659, that added together give a palindrome (209902).

The spelling of 8243201659 in words is "eight billion, two hundred forty-three million, two hundred one thousand, six hundred fifty-nine".