18054302807 has 4 divisors (see below), whose sum is σ = 18054660000. Its totient is φ = 18053945616.

The previous prime is 18054302771. The next prime is 18054302813. The reversal of 18054302807 is 70820345081.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70820345081 = 63703 ⋅1111727.

It is a cyclic number.

It is not a de Polignac number, because 18054302807 - 2¹² = 18054298711 is a prime.

It is a super-3 number, since 3×18054302807³ (a number of 32 digits) contains 333 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 (18054302897) 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, 87182 + ... + 209067.

It is an arithmetic number, because the mean of its divisors is an integer number (4513665000).

Almost surely, 2^18054302807 is an apocalyptic number.

18054302807 is a deficient number, since it is larger than the sum of its proper divisors (357193).

18054302807 is an equidigital number, since it uses as much as digits as its factorization.

18054302807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357192.

The product of its (nonzero) digits is 53760, while the sum is 38.

Adding to 18054302807 its reverse (70820345081), we get a palindrome (88874647888).

The spelling of 18054302807 in words is "eighteen billion, fifty-four million, three hundred two thousand, eight hundred seven".