30683927091 has 8 divisors (see below), whose sum is σ = 41025864960. Its totient is φ = 20398970312.

The previous prime is 30683927083. The next prime is 30683927093. The reversal of 30683927091 is 19072938603.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30683927091 - 2³ = 30683927083 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30683927091.

It is not an unprimeable number, because it can be changed into a prime (30683927093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14244015 + ... + 14246168.

It is an arithmetic number, because the mean of its divisors is an integer number (5128233120).

Almost surely, 2^30683927091 is an apocalyptic number.

30683927091 is a deficient number, since it is larger than the sum of its proper divisors (10341937869).

30683927091 is a wasteful number, since it uses less digits than its factorization.

30683927091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28490545.

The product of its (nonzero) digits is 489888, while the sum is 48.

The spelling of 30683927091 in words is "thirty billion, six hundred eighty-three million, nine hundred twenty-seven thousand, ninety-one".