18448240472573 has 8 divisors (see below), whose sum is σ = 19448794978368. Its totient is φ = 17464224057984.

The previous prime is 18448240472569. The next prime is 18448240472653. The reversal of 18448240472573 is 37527404284481.

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 18448240472573 - 2² = 18448240472569 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 (18448240472773) 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, 4134520511 + ... + 4134524972.

It is an arithmetic number, because the mean of its divisors is an integer number (2431099372296).

Almost surely, 2^{18448240472573} is an apocalyptic number.

It is an amenable number.

18448240472573 is a deficient number, since it is larger than the sum of its proper divisors (1000554505795).

18448240472573 is an equidigital number, since it uses as much as digits as its factorization.

18448240472573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8269045603.

The product of its (nonzero) digits is 48168960, while the sum is 59.

The spelling of 18448240472573 in words is "eighteen trillion, four hundred forty-eight billion, two hundred forty million, four hundred seventy-two thousand, five hundred seventy-three".