30061691109 has 24 divisors (see below), whose sum is σ = 45038902272. Its totient is φ = 20037468960.

The previous prime is 30061691063. The next prime is 30061691117. The reversal of 30061691109 is 90119616003.

30061691109 is a `hidden beast` number, since 30 + 0 + 616 + 9 + 1 + 1 + 0 + 9 = 666.

It is not a de Polignac number, because 30061691109 - 2²⁴ = 30044913893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30061691509) 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 23 ways as a sum of consecutive naturals, for example, 2263729 + ... + 2276969.

It is an arithmetic number, because the mean of its divisors is an integer number (1876620928).

Almost surely, 2^30061691109 is an apocalyptic number.

It is an amenable number.

30061691109 is a deficient number, since it is larger than the sum of its proper divisors (14977211163).

30061691109 is an equidigital number, since it uses as much as digits as its factorization.

30061691109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22599 (or 22587 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 36.

The spelling of 30061691109 in words is "thirty billion, sixty-one million, six hundred ninety-one thousand, one hundred nine".