4326138634866 has 16 divisors (see below), whose sum is σ = 8731655961600. Its totient is φ = 1428816429648.

The previous prime is 4326138634861. The next prime is 4326138634931. The reversal of 4326138634866 is 6684368316234.

It is not an unprimeable number, because it can be changed into a prime (4326138634861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3307444786 + ... + 3307446093.

It is an arithmetic number, because the mean of its divisors is an integer number (545728497600).

Almost surely, 2^{4326138634866} is an apocalyptic number.

4326138634866 is an abundant number, since it is smaller than the sum of its proper divisors (4405517326734).

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

4326138634866 is a wasteful number, since it uses less digits than its factorization.

4326138634866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6614890993.

The product of its digits is 71663616, while the sum is 60.

The spelling of 4326138634866 in words is "four trillion, three hundred twenty-six billion, one hundred thirty-eight million, six hundred thirty-four thousand, eight hundred sixty-six".