6386338903904 has 96 divisors (see below), whose sum is σ = 13061763993600. Its totient is φ = 3070426867200.

The previous prime is 6386338903817. The next prime is 6386338903907. The reversal of 6386338903904 is 4093098336836.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6386338903907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146652374 + ... + 146695914.

It is an arithmetic number, because the mean of its divisors is an integer number (136060041600).

Almost surely, 2^{6386338903904} 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 6386338903904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6530881996800).

6386338903904 is an abundant number, since it is smaller than the sum of its proper divisors (6675425089696).

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

6386338903904 is a wasteful number, since it uses less digits than its factorization.

6386338903904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44524 (or 44516 counting only the distinct ones).

The product of its (nonzero) digits is 60466176, while the sum is 62.

The spelling of 6386338903904 in words is "six trillion, three hundred eighty-six billion, three hundred thirty-eight million, nine hundred three thousand, nine hundred four".