380566711645 has 4 divisors (see below), whose sum is σ = 456680053980. Its totient is φ = 304453369312.

The previous prime is 380566711631. The next prime is 380566711667. The reversal of 380566711645 is 546117665083.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 225187262521 + 155379449124 = 474539^2 + 394182^2 .

It is a cyclic number.

It is not a de Polignac number, because 380566711645 - 2¹¹ = 380566709597 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 380566711592 and 380566711601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38056671160 + ... + 38056671169.

It is an arithmetic number, because the mean of its divisors is an integer number (114170013495).

Almost surely, 2^380566711645 is an apocalyptic number.

It is an amenable number.

380566711645 is a deficient number, since it is larger than the sum of its proper divisors (76113342335).

380566711645 is an equidigital number, since it uses as much as digits as its factorization.

380566711645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76113342334.

The product of its (nonzero) digits is 3628800, while the sum is 52.

The spelling of 380566711645 in words is "three hundred eighty billion, five hundred sixty-six million, seven hundred eleven thousand, six hundred forty-five".