3986389497488 has 20 divisors (see below), whose sum is σ = 8130136475760. Its totient is φ = 1888289761824.

The previous prime is 3986389497481. The next prime is 3986389497527. The reversal of 3986389497488 is 8847949836893.

It is not an unprimeable number, because it can be changed into a prime (3986389497481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6556561370 + ... + 6556561977.

It is an arithmetic number, because the mean of its divisors is an integer number (406506823788).

Almost surely, 2^{3986389497488} is an apocalyptic number.

3986389497488 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

3986389497488 is an abundant number, since it is smaller than the sum of its proper divisors (4143746978272).

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

3986389497488 is a wasteful number, since it uses less digits than its factorization.

3986389497488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13113123374 (or 13113123368 counting only the distinct ones).

The product of its digits is 18059231232, while the sum is 86.

The spelling of 3986389497488 in words is "three trillion, nine hundred eighty-six billion, three hundred eighty-nine million, four hundred ninety-seven thousand, four hundred eighty-eight".