30134438389 has 16 divisors (see below), whose sum is σ = 33205985280. Its totient is φ = 27118442160.

The previous prime is 30134438381. The next prime is 30134438417. The reversal of 30134438389 is 98383443103.

It is a cyclic number.

It is not a de Polignac number, because 30134438389 - 2³ = 30134438381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30134438381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5570524 + ... + 5575930.

It is an arithmetic number, because the mean of its divisors is an integer number (2075374080).

Almost surely, 2^30134438389 is an apocalyptic number.

It is an amenable number.

30134438389 is a deficient number, since it is larger than the sum of its proper divisors (3071546891).

30134438389 is a wasteful number, since it uses less digits than its factorization.

30134438389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10440.

The product of its (nonzero) digits is 746496, while the sum is 46.

The spelling of 30134438389 in words is "thirty billion, one hundred thirty-four million, four hundred thirty-eight thousand, three hundred eighty-nine".