8212749316 has 48 divisors (see below), whose sum is σ = 15496465600. Its totient is φ = 3796771968.

The previous prime is 8212749287. The next prime is 8212749323. The reversal of 8212749316 is 6139472128.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 547630 + ... + 562426.

Almost surely, 2^8212749316 is an apocalyptic number.

It is an amenable number.

8212749316 is a deficient number, since it is larger than the sum of its proper divisors (7283716284).

8212749316 is a wasteful number, since it uses less digits than its factorization.

8212749316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14996 (or 14994 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 8212749316 is about 90624.2203607843. The cubic root of 8212749316 is about 2017.5742305549.

The spelling of 8212749316 in words is "eight billion, two hundred twelve million, seven hundred forty-nine thousand, three hundred sixteen".