8639068043 has 4 divisors (see below), whose sum is σ = 8639276688. Its totient is φ = 8638859400.

The previous prime is 8639068001. The next prime is 8639068049. The reversal of 8639068043 is 3408609368.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8639068043 - 2¹⁶ = 8639002507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8639068049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18896 + ... + 132797.

It is an arithmetic number, because the mean of its divisors is an integer number (2159819172).

Almost surely, 2^8639068043 is an apocalyptic number.

8639068043 is a deficient number, since it is larger than the sum of its proper divisors (208645).

8639068043 is a wasteful number, since it uses less digits than its factorization.

8639068043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208644.

The product of its (nonzero) digits is 746496, while the sum is 47.

The square root of 8639068043 is about 92946.5870433121. The cubic root of 8639068043 is about 2051.8973544678.

The spelling of 8639068043 in words is "eight billion, six hundred thirty-nine million, sixty-eight thousand, forty-three".