3869648809884 has 1152 divisors, whose sum is σ = 13194045849600. Its totient is φ = 968018688000.

The previous prime is 3869648809837. The next prime is 3869648809907. The reversal of 3869648809884 is 4889088469683.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 5084952064 + ... + 5084952824.

It is an arithmetic number, because the mean of its divisors is an integer number (11453164800).

Almost surely, 2^{3869648809884} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3869648809884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6597022924800).

3869648809884 is an abundant number, since it is smaller than the sum of its proper divisors (9324397039716).

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

3869648809884 is a wasteful number, since it uses less digits than its factorization.

3869648809884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904 (or 883 counting only the distinct ones).

The product of its (nonzero) digits is 4586471424, while the sum is 81.

The spelling of 3869648809884 in words is "three trillion, eight hundred sixty-nine billion, six hundred forty-eight million, eight hundred nine thousand, eight hundred eighty-four".