8190314643 has 32 divisors (see below), whose sum is σ = 12690452992. Its totient is φ = 4601836800.

The previous prime is 8190314593. The next prime is 8190314663. The reversal of 8190314643 is 3464130918.

It is not a de Polignac number, because 8190314643 - 2⁹ = 8190314131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8190314663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 499353 + ... + 515493.

It is an arithmetic number, because the mean of its divisors is an integer number (396576656).

Almost surely, 2^8190314643 is an apocalyptic number.

8190314643 is a deficient number, since it is larger than the sum of its proper divisors (4500138349).

8190314643 is a wasteful number, since it uses less digits than its factorization.

8190314643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16555.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 8190314643 is about 90500.3571429417. The cubic root of 8190314643 is about 2015.7354270717.

The spelling of 8190314643 in words is "eight billion, one hundred ninety million, three hundred fourteen thousand, six hundred forty-three".