4389109866648 has 48 divisors (see below), whose sum is σ = 12801570447120. Its totient is φ = 1350495343296.

The previous prime is 4389109866619. The next prime is 4389109866653. The reversal of 4389109866648 is 8466689019834.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2344609036 + ... + 2344610907.

It is an arithmetic number, because the mean of its divisors is an integer number (266699384315).

Almost surely, 2^{4389109866648} is an apocalyptic number.

It is an amenable number.

4389109866648 is an abundant number, since it is smaller than the sum of its proper divisors (8412460580472).

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

4389109866648 is a wasteful number, since it uses less digits than its factorization.

4389109866648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4689219968 (or 4689219961 counting only the distinct ones).

The product of its (nonzero) digits is 429981696, while the sum is 72.

The spelling of 4389109866648 in words is "four trillion, three hundred eighty-nine billion, one hundred nine million, eight hundred sixty-six thousand, six hundred forty-eight".