380179528569 has 9 divisors (see below), whose sum is σ = 549150879823. Its totient is φ = 253451785872.

The previous prime is 380179528567. The next prime is 380179528637. The reversal of 380179528569 is 965825971083.

The square root of 380179528569 is 616587.

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

380179528569 is a `hidden beast` number, since 3 + 8 + 0 + 17 + 9 + 52 + 8 + 569 = 666.

It can be written as a sum of positive squares in only one way, i.e., 371169722169 + 9009806400 = 609237^2 + 94920^2 .

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

It is not a de Polignac number, because 380179528569 - 2¹ = 380179528567 is a prime.

It is a super-2 number, since 2×380179528569² (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 (380179528567) 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, 1746997 + ... + 1952525.

Almost surely, 2^380179528569 is an apocalyptic number.

380179528569 is the 616587-th square number.

380179528569 is the 308294-th centered octagonal number.

It is an amenable number.

380179528569 is a deficient number, since it is larger than the sum of its proper divisors (168971351254).

380179528569 is an frugal number, since it uses more digits than its factorization.

380179528569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411064 (or 205532 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 63.

The spelling of 380179528569 in words is "three hundred eighty billion, one hundred seventy-nine million, five hundred twenty-eight thousand, five hundred sixty-nine".