386630421939 has 16 divisors (see below), whose sum is σ = 572861988000. Its totient is φ = 257719334688.

The previous prime is 386630421929. The next prime is 386630422033. The reversal of 386630421939 is 939124036683.

386630421939 is a `hidden beast` number, since 38 + 66 + 304 + 219 + 39 = 666.

It is not a de Polignac number, because 386630421939 - 2¹² = 386630417843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (386630421929) 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, 744624 + ... + 1152269.

It is an arithmetic number, because the mean of its divisors is an integer number (35803874250).

Almost surely, 2^386630421939 is an apocalyptic number.

386630421939 is a deficient number, since it is larger than the sum of its proper divisors (186231566061).

386630421939 is a wasteful number, since it uses less digits than its factorization.

386630421939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1904451 (or 1904445 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 54.

The spelling of 386630421939 in words is "three hundred eighty-six billion, six hundred thirty million, four hundred twenty-one thousand, nine hundred thirty-nine".