8693639423 has 32 divisors (see below), whose sum is σ = 10370021376. Its totient is φ = 7134075648.

The previous prime is 8693639389. The next prime is 8693639431. The reversal of 8693639423 is 3249363968.

It is not a de Polignac number, because 8693639423 - 2⁶ = 8693639359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8693639623) 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, 3800186 + ... + 3802472.

It is an arithmetic number, because the mean of its divisors is an integer number (324063168).

Almost surely, 2^8693639423 is an apocalyptic number.

8693639423 is a deficient number, since it is larger than the sum of its proper divisors (1676381953).

8693639423 is a wasteful number, since it uses less digits than its factorization.

8693639423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2583.

The product of its digits is 5038848, while the sum is 53.

The square root of 8693639423 is about 93239.6880250036. The cubic root of 8693639423 is about 2056.2087732018.

The spelling of 8693639423 in words is "eight billion, six hundred ninety-three million, six hundred thirty-nine thousand, four hundred twenty-three".