382179894849 has 9 divisors (see below), whose sum is σ = 552040304803. Its totient is φ = 254785360152.

The previous prime is 382179894821. The next prime is 382179894851. The reversal of 382179894849 is 948498971283.

The square root of 382179894849 is 618207.

It is a perfect power (a square), and thus also a powerful number.

382179894849 is a `hidden beast` number, since 38 + 21 + 7 + 98 + 9 + 484 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 41287395249 + 340892499600 = 203193^2 + 583860^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 382179894849 - 2¹⁵ = 382179862081 is a prime.

It is a super-2 number, since 2×382179894849² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (382179694849) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1751587 + ... + 1957655.

Almost surely, 2^382179894849 is an apocalyptic number.

382179894849 is the 618207-th square number.

382179894849 is the 309104-th centered octagonal number.

It is an amenable number.

382179894849 is a deficient number, since it is larger than the sum of its proper divisors (169860409954).

382179894849 is an frugal number, since it uses more digits than its factorization.

382179894849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412144 (or 206072 counting only the distinct ones).

The product of its digits is 250822656, while the sum is 72.

The spelling of 382179894849 in words is "three hundred eighty-two billion, one hundred seventy-nine million, eight hundred ninety-four thousand, eight hundred forty-nine".