18488482243 has 48 divisors (see below), whose sum is σ = 25277073408. Its totient is φ = 13121280000.

The previous prime is 18488482169. The next prime is 18488482267. The reversal of 18488482243 is 34228488481.

It is not a de Polignac number, because 18488482243 - 2²⁵ = 18454927811 is a prime.

It is a super-2 number, since 2×18488482243² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18488432243) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 676443 + ... + 703243.

It is an arithmetic number, because the mean of its divisors is an integer number (526605696).

Almost surely, 2^18488482243 is an apocalyptic number.

18488482243 is a deficient number, since it is larger than the sum of its proper divisors (6788591165).

18488482243 is a wasteful number, since it uses less digits than its factorization.

18488482243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26884 (or 26867 counting only the distinct ones).

The product of its digits is 3145728, while the sum is 52.

The spelling of 18488482243 in words is "eighteen billion, four hundred eighty-eight million, four hundred eighty-two thousand, two hundred forty-three".