30683927093 has 2 divisors, whose sum is σ = 30683927094. Its totient is φ = 30683927092.

The previous prime is 30683927083. The next prime is 30683927107. The reversal of 30683927093 is 39072938603.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30673319044 + 10608049 = 175138^2 + 3257^2 .

It is an emirp because it is prime and its reverse (39072938603) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30683927093 - 2⁸ = 30683926837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30683927083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15341963546 + 15341963547.

It is an arithmetic number, because the mean of its divisors is an integer number (15341963547).

Almost surely, 2^30683927093 is an apocalyptic number.

It is an amenable number.

30683927093 is a deficient number, since it is larger than the sum of its proper divisors (1).

30683927093 is an equidigital number, since it uses as much as digits as its factorization.

30683927093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1469664, while the sum is 50.

The spelling of 30683927093 in words is "thirty billion, six hundred eighty-three million, nine hundred twenty-seven thousand, ninety-three".