386972455869 has 6 divisors (see below), whose sum is σ = 558960214046. Its totient is φ = 257981637240.

The previous prime is 386972455847. The next prime is 386972455873. The reversal of 386972455869 is 968554279683.

It is a happy number.

386972455869 is a `hidden beast` number, since 3 + 8 + 6 + 9 + 7 + 2 + 4 + 558 + 69 = 666.

It can be written as a sum of positive squares in only one way, i.e., 326080971225 + 60891484644 = 571035^2 + 246762^2 .

It is not a de Polignac number, because 386972455869 - 2⁷ = 386972455741 is a prime.

It is a super-2 number, since 2×386972455869² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 386972455797 and 386972455806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386972450869) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21498469762 + ... + 21498469779.

Almost surely, 2^386972455869 is an apocalyptic number.

It is an amenable number.

386972455869 is a deficient number, since it is larger than the sum of its proper divisors (171987758177).

386972455869 is a wasteful number, since it uses less digits than its factorization.

386972455869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42996939547 (or 42996939544 counting only the distinct ones).

The product of its digits is 783820800, while the sum is 72.

The spelling of 386972455869 in words is "three hundred eighty-six billion, nine hundred seventy-two million, four hundred fifty-five thousand, eight hundred sixty-nine".