18142395113698 has 4 divisors (see below), whose sum is σ = 27213592670550. Its totient is φ = 9071197556848.

The previous prime is 18142395113683. The next prime is 18142395113729. The reversal of 18142395113698 is 89631159324181.

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., 17405642408049 + 736752705649 = 4172007^2 + 858343^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4535598778423 + ... + 4535598778426.

Almost surely, 2^{18142395113698} is an apocalyptic number.

18142395113698 is a deficient number, since it is larger than the sum of its proper divisors (9071197556852).

18142395113698 is an equidigital number, since it uses as much as digits as its factorization.

18142395113698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9071197556851.

The product of its digits is 11197440, while the sum is 61.

The spelling of 18142395113698 in words is "eighteen trillion, one hundred forty-two billion, three hundred ninety-five million, one hundred thirteen thousand, six hundred ninety-eight".