18068274373 has 8 divisors (see below), whose sum is σ = 19134303192. Its totient is φ = 17002599936.

The previous prime is 18068274331. The next prime is 18068274383. The reversal of 18068274373 is 37347286081.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2099655684 + 15968618689 = 45822^2 + 126367^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18068274373 - 2²¹ = 18066177221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18068274383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20211 + ... + 191167.

It is an arithmetic number, because the mean of its divisors is an integer number (2391787899).

Almost surely, 2^18068274373 is an apocalyptic number.

It is an amenable number.

18068274373 is a deficient number, since it is larger than the sum of its proper divisors (1066028819).

18068274373 is a wasteful number, since it uses less digits than its factorization.

18068274373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177191.

The product of its (nonzero) digits is 1354752, while the sum is 49.

The spelling of 18068274373 in words is "eighteen billion, sixty-eight million, two hundred seventy-four thousand, three hundred seventy-three".