30934829689 has 9 divisors (see below), whose sum is σ = 32652197967. Its totient is φ = 29303514864.

The previous prime is 30934829617. The next prime is 30934829699. The reversal of 30934829689 is 98692843903.

The square root of 30934829689 is 175883.

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

It can be written as a sum of positive squares in only one way, i.e., 1901396025 + 29033433664 = 43605^2 + 170392^2 .

It is not a de Polignac number, because 30934829689 - 2¹⁹ = 30934305401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30934829699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3337149 + ... + 3346405.

Almost surely, 2^30934829689 is an apocalyptic number.

30934829689 is the 175883-rd square number.

30934829689 is the 87942-nd centered octagonal number.

It is an amenable number.

30934829689 is a deficient number, since it is larger than the sum of its proper divisors (1717368278).

30934829689 is an frugal number, since it uses more digits than its factorization.

30934829689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18552 (or 9276 counting only the distinct ones).

The product of its (nonzero) digits is 20155392, while the sum is 61.

The spelling of 30934829689 in words is "thirty billion, nine hundred thirty-four million, eight hundred twenty-nine thousand, six hundred eighty-nine".