18514030973 has 2 divisors, whose sum is σ = 18514030974. Its totient is φ = 18514030972.

The previous prime is 18514030963. The next prime is 18514031051. The reversal of 18514030973 is 37903041581.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17323297924 + 1190733049 = 131618^2 + 34507^2 .

It is a cyclic number.

It is not a de Polignac number, because 18514030973 - 2²⁸ = 18245595517 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18514030973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18514030903) 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, 9257015486 + 9257015487.

It is an arithmetic number, because the mean of its divisors is an integer number (9257015487).

Almost surely, 2^18514030973 is an apocalyptic number.

It is an amenable number.

18514030973 is a deficient number, since it is larger than the sum of its proper divisors (1).

18514030973 is an equidigital number, since it uses as much as digits as its factorization.

18514030973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 18514030973 in words is "eighteen billion, five hundred fourteen million, thirty thousand, nine hundred seventy-three".