389342304729 has 81 divisors (see below), whose sum is σ = 670739483349. Its totient is φ = 216992850480.

The previous prime is 389342304727. The next prime is 389342304733. The reversal of 389342304729 is 927403243983.

The square root of 389342304729 is 623973.

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

389342304729 is a `hidden beast` number, since 389 + 3 + 4 + 230 + 4 + 7 + 29 = 666.

It is not a de Polignac number, because 389342304729 - 2¹ = 389342304727 is a prime.

It is not an unprimeable number, because it can be changed into a prime (389342304727) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 563447274 + ... + 563447964.

Almost surely, 2^389342304729 is an apocalyptic number.

389342304729 is the 623973-rd square number.

389342304729 is the 311987-th centered octagonal number.

It is an amenable number.

389342304729 is a deficient number, since it is larger than the sum of its proper divisors (281397178620).

389342304729 is an frugal number, since it uses more digits than its factorization.

389342304729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1488 (or 744 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 54.

The spelling of 389342304729 in words is "three hundred eighty-nine billion, three hundred forty-two million, three hundred four thousand, seven hundred twenty-nine".