18673620531362 has 4 divisors (see below), whose sum is σ = 28010430797046. Its totient is φ = 9336810265680.

The previous prime is 18673620531347. The next prime is 18673620531383. The reversal of 18673620531362 is 26313502637681.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 17010188684281 + 1663431847081 = 4124341^2 + 1289741^2 .

It is a super-3 number, since 3×18673620531362³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4668405132839 + ... + 4668405132842.

Almost surely, 2^{18673620531362} is an apocalyptic number.

18673620531362 is a deficient number, since it is larger than the sum of its proper divisors (9336810265684).

18673620531362 is an equidigital number, since it uses as much as digits as its factorization.

18673620531362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9336810265683.

The product of its (nonzero) digits is 6531840, while the sum is 53.

The spelling of 18673620531362 in words is "eighteen trillion, six hundred seventy-three billion, six hundred twenty million, five hundred thirty-one thousand, three hundred sixty-two".