18441713471 has 4 divisors (see below), whose sum is σ = 18441990000. Its totient is φ = 18441436944.

The previous prime is 18441713417. The next prime is 18441713483. The reversal of 18441713471 is 17431714481.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 17431714481 = 67 ⋅260174843.

It is a cyclic number.

It is not a de Polignac number, because 18441713471 - 2¹⁰ = 18441712447 is a prime.

It is a super-3 number, since 3×18441713471³ (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 (18441713401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30155 + ... + 194403.

It is an arithmetic number, because the mean of its divisors is an integer number (4610497500).

Almost surely, 2^18441713471 is an apocalyptic number.

18441713471 is a deficient number, since it is larger than the sum of its proper divisors (276529).

18441713471 is a wasteful number, since it uses less digits than its factorization.

18441713471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276528.

The product of its digits is 75264, while the sum is 41.

The spelling of 18441713471 in words is "eighteen billion, four hundred forty-one million, seven hundred thirteen thousand, four hundred seventy-one".