8218513426 has 16 divisors (see below), whose sum is σ = 12364219296. Its totient is φ = 4097121696.

The previous prime is 8218513421. The next prime is 8218513451. The reversal of 8218513426 is 6243158128.

It is not an unprimeable number, because it can be changed into a prime (8218513421) 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, 1594185 + ... + 1599331.

It is an arithmetic number, because the mean of its divisors is an integer number (772763706).

Almost surely, 2^8218513426 is an apocalyptic number.

8218513426 is a deficient number, since it is larger than the sum of its proper divisors (4145705870).

8218513426 is a wasteful number, since it uses less digits than its factorization.

8218513426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7353.

The product of its digits is 92160, while the sum is 40.

The square root of 8218513426 is about 90656.0170424446. The cubic root of 8218513426 is about 2018.0461309985.

The spelling of 8218513426 in words is "eight billion, two hundred eighteen million, five hundred thirteen thousand, four hundred twenty-six".