3999986204737 has 8 divisors (see below), whose sum is σ = 4458188959200. Its totient is φ = 3566551166784.

The previous prime is 3999986204729. The next prime is 3999986204759. The reversal of 3999986204737 is 7374026899993.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3999986204737 - 2³ = 3999986204729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3999986204717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6191928787 + ... + 6191929432.

It is an arithmetic number, because the mean of its divisors is an integer number (557273619900).

Almost surely, 2^{3999986204737} is an apocalyptic number.

It is an amenable number.

3999986204737 is a deficient number, since it is larger than the sum of its proper divisors (458202754463).

3999986204737 is a wasteful number, since it uses less digits than its factorization.

3999986204737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12383858255.

The product of its (nonzero) digits is 1111065984, while the sum is 76.

The spelling of 3999986204737 in words is "three trillion, nine hundred ninety-nine billion, nine hundred eighty-six million, two hundred four thousand, seven hundred thirty-seven".