18244974743 has 8 divisors (see below), whose sum is σ = 18265927680. Its totient is φ = 18224037720.

The previous prime is 18244974721. The next prime is 18244974757. The reversal of 18244974743 is 34747944281.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18244974743 - 2⁶ = 18244974679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18244977743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5924078 + ... + 5927156.

It is an arithmetic number, because the mean of its divisors is an integer number (2283240960).

Almost surely, 2^18244974743 is an apocalyptic number.

18244974743 is a deficient number, since it is larger than the sum of its proper divisors (20952937).

18244974743 is a wasteful number, since it uses less digits than its factorization.

18244974743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7957.

The product of its digits is 5419008, while the sum is 53.

The spelling of 18244974743 in words is "eighteen billion, two hundred forty-four million, nine hundred seventy-four thousand, seven hundred forty-three".