386356631643 has 12 divisors (see below), whose sum is σ = 558097360080. Its totient is φ = 257558778576.

The previous prime is 386356631603. The next prime is 386356631671. The reversal of 386356631643 is 346136653683.

386356631643 is a `hidden beast` number, since 3 + 8 + 6 + 3 + 566 + 31 + 6 + 43 = 666.

It is not a de Polignac number, because 386356631643 - 2⁶ = 386356631579 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 386356631643.

It is not an unprimeable number, because it can be changed into a prime (386356631603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 824908 + ... + 1205481.

It is an arithmetic number, because the mean of its divisors is an integer number (46508113340).

Almost surely, 2^386356631643 is an apocalyptic number.

386356631643 is a deficient number, since it is larger than the sum of its proper divisors (171740728437).

386356631643 is a wasteful number, since it uses less digits than its factorization.

386356631643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2051538 (or 2051535 counting only the distinct ones).

The product of its digits is 16796160, while the sum is 54.

The spelling of 386356631643 in words is "three hundred eighty-six billion, three hundred fifty-six million, six hundred thirty-one thousand, six hundred forty-three".