39343312218 has 64 divisors (see below), whose sum is σ = 91347167232. Its totient is φ = 11064029760.

The previous prime is 39343312213. The next prime is 39343312219. The reversal of 39343312218 is 81221334393.

It is not an unprimeable number, because it can be changed into a prime (39343312213) 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, 1817205 + ... + 1838727.

It is an arithmetic number, because the mean of its divisors is an integer number (1427299488).

Almost surely, 2^39343312218 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39343312218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45673583616).

39343312218 is an abundant number, since it is smaller than the sum of its proper divisors (52003855014).

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

39343312218 is a wasteful number, since it uses less digits than its factorization.

39343312218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22219.

The product of its digits is 93312, while the sum is 39.

The spelling of 39343312218 in words is "thirty-nine billion, three hundred forty-three million, three hundred twelve thousand, two hundred eighteen".