30605025109 has 16 divisors (see below), whose sum is σ = 31390903296. Its totient is φ = 29825075200.

The previous prime is 30605025091. The next prime is 30605025161. The reversal of 30605025109 is 90152050603.

It is a cyclic number.

It is not a de Polignac number, because 30605025109 - 2¹⁷ = 30604894037 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 (30605025179) 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, 12983559 + ... + 12985915.

It is an arithmetic number, because the mean of its divisors is an integer number (1961931456).

Almost surely, 2^30605025109 is an apocalyptic number.

It is an amenable number.

30605025109 is a deficient number, since it is larger than the sum of its proper divisors (785878187).

30605025109 is a wasteful number, since it uses less digits than its factorization.

30605025109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3476.

The product of its (nonzero) digits is 8100, while the sum is 31.

The spelling of 30605025109 in words is "thirty billion, six hundred five million, twenty-five thousand, one hundred nine".