18427348245 has 16 divisors (see below), whose sum is σ = 29592559872. Its totient is φ = 9791651520.

The previous prime is 18427348217. The next prime is 18427348253. The reversal of 18427348245 is 54284372481.

It is not a de Polignac number, because 18427348245 - 2⁵ = 18427348213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18427348194 and 18427348203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2262522 + ... + 2270651.

It is an arithmetic number, because the mean of its divisors is an integer number (1849534992).

Almost surely, 2^18427348245 is an apocalyptic number.

18427348245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18427348245 is a deficient number, since it is larger than the sum of its proper divisors (11165211627).

18427348245 is a wasteful number, since it uses less digits than its factorization.

18427348245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4533452.

The product of its digits is 1720320, while the sum is 48.

The spelling of 18427348245 in words is "eighteen billion, four hundred twenty-seven million, three hundred forty-eight thousand, two hundred forty-five".