18201000919282 has 4 divisors (see below), whose sum is σ = 27301501378926. Its totient is φ = 9100500459640.

The previous prime is 18201000919253. The next prime is 18201000919289. The reversal of 18201000919282 is 28291900010281.

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., 12889169842201 + 5311831077081 = 3590149^2 + 2304741^2 .

It is not an unprimeable number, because it can be changed into a prime (18201000919289) by changing a digit.

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, 4550250229819 + ... + 4550250229822.

Almost surely, 2^{18201000919282} is an apocalyptic number.

18201000919282 is a deficient number, since it is larger than the sum of its proper divisors (9100500459644).

18201000919282 is an equidigital number, since it uses as much as digits as its factorization.

18201000919282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9100500459643.

The product of its (nonzero) digits is 41472, while the sum is 43.

The spelling of 18201000919282 in words is "eighteen trillion, two hundred one billion, nine hundred nineteen thousand, two hundred eighty-two".