18630543224987 has 2 divisors, whose sum is σ = 18630543224988. Its totient is φ = 18630543224986.

The previous prime is 18630543224983. The next prime is 18630543225031. The reversal of 18630543224987 is 78942234503681.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18630543224987 - 2² = 18630543224983 is a prime.

It is not a weakly prime, because it can be changed into another prime (18630543224983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9315271612493 + 9315271612494.

It is an arithmetic number, because the mean of its divisors is an integer number (9315271612494).

It is a 1-persistent number, because it is pandigital, but 2⋅18630543224987 = 37261086449974 is not.

Almost surely, 2^{18630543224987} is an apocalyptic number.

18630543224987 is a deficient number, since it is larger than the sum of its proper divisors (1).

18630543224987 is an equidigital number, since it uses as much as digits as its factorization.

18630543224987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69672960, while the sum is 62.

The spelling of 18630543224987 in words is "eighteen trillion, six hundred thirty billion, five hundred forty-three million, two hundred twenty-four thousand, nine hundred eighty-seven".