3783886489638 has 48 divisors (see below), whose sum is σ = 8714457919440. Its totient is φ = 1182482546688.

The previous prime is 3783886489619. The next prime is 3783886489657. The reversal of 3783886489638 is 8369846883873.

It is a happy number.

3783886489638 is a `hidden beast` number, since 3 + 78 + 3 + 8 + 8 + 6 + 489 + 63 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (3783886489619) and next prime (3783886489657).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23979028 + ... + 24136311.

It is an arithmetic number, because the mean of its divisors is an integer number (181551206655).

Almost surely, 2^{3783886489638} is an apocalyptic number.

3783886489638 is an abundant number, since it is smaller than the sum of its proper divisors (4930571429802).

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

3783886489638 is a wasteful number, since it uses less digits than its factorization.

3783886489638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48115621 (or 48115618 counting only the distinct ones).

The product of its digits is 8026324992, while the sum is 81.

The spelling of 3783886489638 in words is "three trillion, seven hundred eighty-three billion, eight hundred eighty-six million, four hundred eighty-nine thousand, six hundred thirty-eight".