18074238683 has 4 divisors (see below), whose sum is σ = 18142962288. Its totient is φ = 18005515080.

The previous prime is 18074238659. The next prime is 18074238691. The reversal of 18074238683 is 38683247081.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 18074238683 - 2¹² = 18074234587 is a prime.

It is a super-4 number, since 4×18074238683⁴ (a number of 42 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18074238283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34361408 + ... + 34361933.

It is an arithmetic number, because the mean of its divisors is an integer number (4535740572).

Almost surely, 2^18074238683 is an apocalyptic number.

18074238683 is a deficient number, since it is larger than the sum of its proper divisors (68723605).

18074238683 is an equidigital number, since it uses as much as digits as its factorization.

18074238683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68723604.

The product of its (nonzero) digits is 1548288, while the sum is 50.

The spelling of 18074238683 in words is "eighteen billion, seventy-four million, two hundred thirty-eight thousand, six hundred eighty-three".