18726281354 has 16 divisors (see below), whose sum is σ = 32445536256. Its totient is φ = 8011243200.

The previous prime is 18726281347. The next prime is 18726281429. The reversal of 18726281354 is 45318262781.

It is a super-2 number, since 2×18726281354² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18726281299 and 18726281308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25034762 + ... + 25035509.

It is an arithmetic number, because the mean of its divisors is an integer number (2027846016).

Almost surely, 2^18726281354 is an apocalyptic number.

18726281354 is a deficient number, since it is larger than the sum of its proper divisors (13719254902).

18726281354 is a wasteful number, since it uses less digits than its factorization.

18726281354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50070301.

The product of its digits is 645120, while the sum is 47.

The spelling of 18726281354 in words is "eighteen billion, seven hundred twenty-six million, two hundred eighty-one thousand, three hundred fifty-four".