14326643646 has 24 divisors (see below), whose sum is σ = 35475498864. Its totient is φ = 4093326720.

The previous prime is 14326643603. The next prime is 14326643647. The reversal of 14326643646 is 64634662341.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14326643647) 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, 56851635 + ... + 56851886.

It is an arithmetic number, because the mean of its divisors is an integer number (1478145786).

Almost surely, 2^14326643646 is an apocalyptic number.

14326643646 is an abundant number, since it is smaller than the sum of its proper divisors (21148855218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14326643646 is a wasteful number, since it uses less digits than its factorization.

14326643646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113703536 (or 113703533 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 45.

The spelling of 14326643646 in words is "fourteen billion, three hundred twenty-six million, six hundred forty-three thousand, six hundred forty-six".