18374292382 has 4 divisors (see below), whose sum is σ = 27561438576. Its totient is φ = 9187146190.

The previous prime is 18374292367. The next prime is 18374292383. The reversal of 18374292382 is 28329247381.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28329247381 = 94597 ⋅299473.

It is a super-2 number, since 2×18374292382² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18374292383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4593573094 + ... + 4593573097.

It is an arithmetic number, because the mean of its divisors is an integer number (6890359644).

Almost surely, 2^18374292382 is an apocalyptic number.

18374292382 is a deficient number, since it is larger than the sum of its proper divisors (9187146194).

18374292382 is an equidigital number, since it uses as much as digits as its factorization.

18374292382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9187146193.

The product of its digits is 1161216, while the sum is 49.

The spelling of 18374292382 in words is "eighteen billion, three hundred seventy-four million, two hundred ninety-two thousand, three hundred eighty-two".