2439969218036 has 18 divisors (see below), whose sum is σ = 4967080194258. Its totient is φ = 1045701093360.

The previous prime is 2439969217927. The next prime is 2439969218053. The reversal of 2439969218036 is 6308129699342.

It can be written as a sum of positive squares in only one way, i.e., 2134392433936 + 305576784100 = 1460956^2 + 552790^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2439969218036.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6224411075 + ... + 6224411466.

It is an arithmetic number, because the mean of its divisors is an integer number (275948899681).

Almost surely, 2^{2439969218036} is an apocalyptic number.

It is an amenable number.

2439969218036 is an abundant number, since it is smaller than the sum of its proper divisors (2527110976222).

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

2439969218036 is a wasteful number, since it uses less digits than its factorization.

2439969218036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12448822559 (or 12448822550 counting only the distinct ones).

The product of its (nonzero) digits is 30233088, while the sum is 62.

The spelling of 2439969218036 in words is "two trillion, four hundred thirty-nine billion, nine hundred sixty-nine million, two hundred eighteen thousand, thirty-six".