8213159346 has 16 divisors (see below), whose sum is σ = 18772935744. Its totient is φ = 2346616944.

The previous prime is 8213159329. The next prime is 8213159347. The reversal of 8213159346 is 6439513128.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 195551413 = 8213159346 / (8 + 2 + 1 + 3 + 1 + 5 + 9 + 3 + 4 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 8213159298 and 8213159307.

It is not an unprimeable number, because it can be changed into a prime (8213159347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97775665 + ... + 97775748.

It is an arithmetic number, because the mean of its divisors is an integer number (1173308484).

Almost surely, 2^8213159346 is an apocalyptic number.

8213159346 is an abundant number, since it is smaller than the sum of its proper divisors (10559776398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8213159346 is a wasteful number, since it uses less digits than its factorization.

8213159346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195551425.

The product of its digits is 155520, while the sum is 42.

The square root of 8213159346 is about 90626.4825864934. The cubic root of 8213159346 is about 2017.6078064892.

The spelling of 8213159346 in words is "eight billion, two hundred thirteen million, one hundred fifty-nine thousand, three hundred forty-six".