8190864634 has 8 divisors (see below), whose sum is σ = 12314285280. Its totient is φ = 4086102876.

The previous prime is 8190864631. The next prime is 8190864683. The reversal of 8190864634 is 4364680918.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (8190864631) 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 3 ways as a sum of consecutive naturals, for example, 4663624 + ... + 4665379.

It is an arithmetic number, because the mean of its divisors is an integer number (1539285660).

Almost surely, 2^8190864634 is an apocalyptic number.

8190864634 is a deficient number, since it is larger than the sum of its proper divisors (4123420646).

8190864634 is a wasteful number, since it uses less digits than its factorization.

8190864634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9329444.

The product of its (nonzero) digits is 995328, while the sum is 49.

The square root of 8190864634 is about 90503.3957042497. The cubic root of 8190864634 is about 2015.7805458726.

The spelling of 8190864634 in words is "eight billion, one hundred ninety million, eight hundred sixty-four thousand, six hundred thirty-four".