18426481082 has 4 divisors (see below), whose sum is σ = 27639721626. Its totient is φ = 9213240540.

The previous prime is 18426481063. The next prime is 18426481133. The reversal of 18426481082 is 28018462481.

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., 17913413281 + 513067801 = 133841^2 + 22651^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4606620269 + ... + 4606620272.

Almost surely, 2^18426481082 is an apocalyptic number.

18426481082 is a deficient number, since it is larger than the sum of its proper divisors (9213240544).

18426481082 is an equidigital number, since it uses as much as digits as its factorization.

18426481082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9213240543.

The product of its (nonzero) digits is 196608, while the sum is 44.

The spelling of 18426481082 in words is "eighteen billion, four hundred twenty-six million, four hundred eighty-one thousand, eighty-two".