8368818499 has 4 divisors (see below), whose sum is σ = 8447031864. Its totient is φ = 8290605136.

The previous prime is 8368818473. The next prime is 8368818529. The reversal of 8368818499 is 9948188638.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8368818499 - 2²⁹ = 7831947587 is a prime.

It is a super-2 number, since 2×8368818499² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8368818499.

It is not an unprimeable number, because it can be changed into a prime (8368618499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39106522 + ... + 39106735.

It is an arithmetic number, because the mean of its divisors is an integer number (2111757966).

Almost surely, 2^8368818499 is an apocalyptic number.

8368818499 is a deficient number, since it is larger than the sum of its proper divisors (78213365).

8368818499 is a wasteful number, since it uses less digits than its factorization.

8368818499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78213364.

The product of its digits is 23887872, while the sum is 64.

The square root of 8368818499 is about 91481.2467066338. The cubic root of 8368818499 is about 2030.2742961309.

The spelling of 8368818499 in words is "eight billion, three hundred sixty-eight million, eight hundred eighteen thousand, four hundred ninety-nine".