18400483627 has 4 divisors (see below), whose sum is σ = 18401570440. Its totient is φ = 18399396816.

The previous prime is 18400483609. The next prime is 18400483637. The reversal of 18400483627 is 72638400481.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18400483627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18400483637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 517602 + ... + 552007.

It is an arithmetic number, because the mean of its divisors is an integer number (4600392610).

Almost surely, 2^18400483627 is an apocalyptic number.

18400483627 is a deficient number, since it is larger than the sum of its proper divisors (1086813).

18400483627 is a wasteful number, since it uses less digits than its factorization.

18400483627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086812.

The product of its (nonzero) digits is 258048, while the sum is 43.

The spelling of 18400483627 in words is "eighteen billion, four hundred million, four hundred eighty-three thousand, six hundred twenty-seven".