380660618529 has 33 divisors (see below), whose sum is σ = 571212679953. Its totient is φ = 253673795412.

The previous prime is 380660618519. The next prime is 380660618531. The reversal of 380660618529 is 925816066083.

It is a happy number.

The square root of 380660618529 is 616977.

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

380660618529 is a `hidden beast` number, since 3 + 8 + 0 + 6 + 606 + 1 + 8 + 5 + 29 = 666.

It is not a de Polignac number, because 380660618529 - 2¹¹ = 380660616481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (380660618519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 32 ways as a sum of consecutive naturals, for example, 149924142 + ... + 149926680.

Almost surely, 2^380660618529 is an apocalyptic number.

380660618529 is the 616977-th square number.

380660618529 is the 308489-th centered octagonal number.

It is an amenable number.

380660618529 is a deficient number, since it is larger than the sum of its proper divisors (190552061424).

380660618529 is an frugal number, since it uses more digits than its factorization.

380660618529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5108 (or 2542 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 380660618529 in words is "three hundred eighty billion, six hundred sixty million, six hundred eighteen thousand, five hundred twenty-nine".