18482183426281 has 9 divisors (see below), whose sum is σ = 19320797949271. Its totient is φ = 17678515653832.

The previous prime is 18482183426227. The next prime is 18482183426321. The reversal of 18482183426281 is 18262438128481.

The square root of 18482183426281 is 4299091.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 18027794187225 + 454389239056 = 4245915^2 + 674084^2 .

It is not a de Polignac number, because 18482183426281 - 2¹³ = 18482183418089 is a prime.

It is a super-3 number, since 3×18482183426281³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18482183426381) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 98785635 + ... + 98972551.

Almost surely, 2^{18482183426281} is an apocalyptic number.

18482183426281 is the 4299091-st square number.

18482183426281 is the 2149546-th centered octagonal number.

It is an amenable number.

18482183426281 is a deficient number, since it is larger than the sum of its proper divisors (838614522990).

18482183426281 is an frugal number, since it uses more digits than its factorization.

18482183426281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373880 (or 186940 counting only the distinct ones).

The product of its digits is 9437184, while the sum is 58.

The spelling of 18482183426281 in words is "eighteen trillion, four hundred eighty-two billion, one hundred eighty-three million, four hundred twenty-six thousand, two hundred eighty-one".