8203922643 has 16 divisors (see below), whose sum is σ = 12839087360. Its totient is φ = 4561253856.

The previous prime is 8203922641. The next prime is 8203922653. The reversal of 8203922643 is 3462293028.

It is not a de Polignac number, because 8203922643 - 2¹ = 8203922641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8203922641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5278453 + ... + 5280006.

It is an arithmetic number, because the mean of its divisors is an integer number (802442960).

Almost surely, 2^8203922643 is an apocalyptic number.

8203922643 is a deficient number, since it is larger than the sum of its proper divisors (4635164717).

8203922643 is a wasteful number, since it uses less digits than its factorization.

8203922643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10558506.

The product of its (nonzero) digits is 124416, while the sum is 39.

The square root of 8203922643 is about 90575.5079643498. The cubic root of 8203922643 is about 2016.8511737963.

The spelling of 8203922643 in words is "eight billion, two hundred three million, nine hundred twenty-two thousand, six hundred forty-three".