4189838764244 has 18 divisors (see below), whose sum is σ = 8529314627610. Its totient is φ = 1795645184592.

The previous prime is 4189838764231. The next prime is 4189838764247. The reversal of 4189838764244 is 4424678389814.

It can be written as a sum of positive squares in only one way, i.e., 4146061571344 + 43777192900 = 2036188^2 + 209230^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4189838764247) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10688363999 + ... + 10688364390.

It is an arithmetic number, because the mean of its divisors is an integer number (473850812645).

Almost surely, 2^{4189838764244} is an apocalyptic number.

It is an amenable number.

4189838764244 is an abundant number, since it is smaller than the sum of its proper divisors (4339475863366).

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

4189838764244 is a wasteful number, since it uses less digits than its factorization.

4189838764244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21376728407 (or 21376728398 counting only the distinct ones).

The product of its digits is 297271296, while the sum is 68.

The spelling of 4189838764244 in words is "four trillion, one hundred eighty-nine billion, eight hundred thirty-eight million, seven hundred sixty-four thousand, two hundred forty-four".