30718466929187 has 2 divisors, whose sum is σ = 30718466929188. Its totient is φ = 30718466929186.

The previous prime is 30718466929127. The next prime is 30718466929207. The reversal of 30718466929187 is 78192966481703.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30718466929187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30718466929187.

It is not a weakly prime, because it can be changed into another prime (30718466929127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15359233464593 + 15359233464594.

It is an arithmetic number, because the mean of its divisors is an integer number (15359233464594).

Almost surely, 2^{30718466929187} is an apocalyptic number.

30718466929187 is a deficient number, since it is larger than the sum of its proper divisors (1).

30718466929187 is an equidigital number, since it uses as much as digits as its factorization.

30718466929187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 219469824, while the sum is 71.

The spelling of 30718466929187 in words is "thirty trillion, seven hundred eighteen billion, four hundred sixty-six million, nine hundred twenty-nine thousand, one hundred eighty-seven".