18562358035873 has 2 divisors, whose sum is σ = 18562358035874. Its totient is φ = 18562358035872.

The previous prime is 18562358035861. The next prime is 18562358035919. The reversal of 18562358035873 is 37853085326581.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12034189955089 + 6528168080784 = 3469033^2 + 2555028^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18562358035873 is a prime.

It is a super-2 number, since 2×18562358035873² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (18562358035853) 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, 9281179017936 + 9281179017937.

It is an arithmetic number, because the mean of its divisors is an integer number (9281179017937).

Almost surely, 2^{18562358035873} is an apocalyptic number.

It is an amenable number.

18562358035873 is a deficient number, since it is larger than the sum of its proper divisors (1).

18562358035873 is an equidigital number, since it uses as much as digits as its factorization.

18562358035873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152000, while the sum is 64.

The spelling of 18562358035873 in words is "eighteen trillion, five hundred sixty-two billion, three hundred fifty-eight million, thirty-five thousand, eight hundred seventy-three".