18034018063 has 4 divisors (see below), whose sum is σ = 18199467880. Its totient is φ = 17868568248.

The previous prime is 18034018061. The next prime is 18034018073. The reversal of 18034018063 is 36081043081.

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 18034018063 - 2¹ = 18034018061 is a prime.

It is a super-2 number, since 2×18034018063² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18034018061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82724745 + ... + 82724962.

It is an arithmetic number, because the mean of its divisors is an integer number (4549866970).

Almost surely, 2^18034018063 is an apocalyptic number.

18034018063 is a deficient number, since it is larger than the sum of its proper divisors (165449817).

18034018063 is a wasteful number, since it uses less digits than its factorization.

18034018063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165449816.

The product of its (nonzero) digits is 13824, while the sum is 34.

The spelling of 18034018063 in words is "eighteen billion, thirty-four million, eighteen thousand, sixty-three".