18273000479 has 2 divisors, whose sum is σ = 18273000480. Its totient is φ = 18273000478.

The previous prime is 18273000469. The next prime is 18273000503. The reversal of 18273000479 is 97400037281.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18273000479 - 2¹² = 18272996383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18273000439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9136500239 + 9136500240.

It is an arithmetic number, because the mean of its divisors is an integer number (9136500240).

Almost surely, 2^18273000479 is an apocalyptic number.

18273000479 is a deficient number, since it is larger than the sum of its proper divisors (1).

18273000479 is an equidigital number, since it uses as much as digits as its factorization.

18273000479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 41.

The spelling of 18273000479 in words is "eighteen billion, two hundred seventy-three million, four hundred seventy-nine", and thus it is an aban number.