4986187873638 has 16 divisors (see below), whose sum is σ = 9972415823616. Its totient is φ = 1662055945160.

The previous prime is 4986187873573. The next prime is 4986187873643. The reversal of 4986187873638 is 8363787816894.

It is a super-2 number, since 2×4986187873638² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90295 + ... + 3159197.

It is an arithmetic number, because the mean of its divisors is an integer number (623275988976).

Almost surely, 2^{4986187873638} is an apocalyptic number.

4986187873638 is an abundant number, since it is smaller than the sum of its proper divisors (4986227949978).

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

4986187873638 is a wasteful number, since it uses less digits than its factorization.

4986187873638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3339699.

The product of its digits is 2341011456, while the sum is 78.

The spelling of 4986187873638 in words is "four trillion, nine hundred eighty-six billion, one hundred eighty-seven million, eight hundred seventy-three thousand, six hundred thirty-eight".