18026422412493 has 16 divisors (see below), whose sum is σ = 26220333946176. Its totient is φ = 10925069840640.

The previous prime is 18026422412477. The next prime is 18026422412567. The reversal of 18026422412493 is 39421422462081.

It is not a de Polignac number, because 18026422412493 - 2⁴ = 18026422412477 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18026422412693) 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 in 15 ways as a sum of consecutive naturals, for example, 13016005 + ... + 14334197.

It is an arithmetic number, because the mean of its divisors is an integer number (1638770871636).

Almost surely, 2^{18026422412493} is an apocalyptic number.

It is an amenable number.

18026422412493 is a deficient number, since it is larger than the sum of its proper divisors (8193911533683).

18026422412493 is a wasteful number, since it uses less digits than its factorization.

18026422412493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1732604.

The product of its (nonzero) digits is 1327104, while the sum is 48.

The spelling of 18026422412493 in words is "eighteen trillion, twenty-six billion, four hundred twenty-two million, four hundred twelve thousand, four hundred ninety-three".