8218236993826 has 16 divisors (see below), whose sum is σ = 12332674605888. Its totient is φ = 4107345699600.

The previous prime is 8218236993809. The next prime is 8218236993829. The reversal of 8218236993826 is 6283996328128.

It is not an unprimeable number, because it can be changed into a prime (8218236993829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79089061 + ... + 79192903.

It is an arithmetic number, because the mean of its divisors is an integer number (770792162868).

Almost surely, 2^{8218236993826} is an apocalyptic number.

8218236993826 is a deficient number, since it is larger than the sum of its proper divisors (4114437612062).

8218236993826 is a wasteful number, since it uses less digits than its factorization.

8218236993826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120537.

The product of its digits is 107495424, while the sum is 67.

The spelling of 8218236993826 in words is "eight trillion, two hundred eighteen billion, two hundred thirty-six million, nine hundred ninety-three thousand, eight hundred twenty-six".