18673427706573 has 8 divisors (see below), whose sum is σ = 24897937174336. Its totient is φ = 12448935021600.

The previous prime is 18673427706551. The next prime is 18673427706587. The reversal of 18673427706573 is 37560772437681.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18673427706573 - 2⁶ = 18673427706509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18673427707573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1317433 + ... + 6251598.

It is an arithmetic number, because the mean of its divisors is an integer number (3112242146792).

Almost surely, 2^{18673427706573} is an apocalyptic number.

It is an amenable number.

18673427706573 is a deficient number, since it is larger than the sum of its proper divisors (6224509467763).

18673427706573 is an equidigital number, since it uses as much as digits as its factorization.

18673427706573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8391395.

The product of its (nonzero) digits is 248935680, while the sum is 66.

The spelling of 18673427706573 in words is "eighteen trillion, six hundred seventy-three billion, four hundred twenty-seven million, seven hundred six thousand, five hundred seventy-three".