18030055679 has 2 divisors, whose sum is σ = 18030055680. Its totient is φ = 18030055678.

The previous prime is 18030055613. The next prime is 18030055727. The reversal of 18030055679 is 97655003081.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18030055679 - 2⁸ = 18030055423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18030055579) 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 as a sum of consecutive naturals, namely, 9015027839 + 9015027840.

It is an arithmetic number, because the mean of its divisors is an integer number (9015027840).

Almost surely, 2^18030055679 is an apocalyptic number.

18030055679 is a deficient number, since it is larger than the sum of its proper divisors (1).

18030055679 is an equidigital number, since it uses as much as digits as its factorization.

18030055679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 44.

The spelling of 18030055679 in words is "eighteen billion, thirty million, fifty-five thousand, six hundred seventy-nine".