8603942643 has 12 divisors (see below), whose sum is σ = 12438045360. Its totient is φ = 5731287216.

The previous prime is 8603942629. The next prime is 8603942723. The reversal of 8603942643 is 3462493068.

It is not a de Polignac number, because 8603942643 - 2²¹ = 8601845491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8607942643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 377871 + ... + 399992.

It is an arithmetic number, because the mean of its divisors is an integer number (1036503780).

Almost surely, 2^8603942643 is an apocalyptic number.

8603942643 is a deficient number, since it is larger than the sum of its proper divisors (3834102717).

8603942643 is a wasteful number, since it uses less digits than its factorization.

8603942643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779098 (or 779095 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The square root of 8603942643 is about 92757.4398256011. The cubic root of 8603942643 is about 2049.1126552693.

The spelling of 8603942643 in words is "eight billion, six hundred three million, nine hundred forty-two thousand, six hundred forty-three".