18052642473 has 8 divisors (see below), whose sum is σ = 24657267936. Its totient is φ = 11741556000.

The previous prime is 18052642471. The next prime is 18052642493. The reversal of 18052642473 is 37424625081.

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

It is not a de Polignac number, because 18052642473 - 2¹ = 18052642471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18052642471) 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, 73384603 + ... + 73384848.

It is an arithmetic number, because the mean of its divisors is an integer number (3082158492).

Almost surely, 2^18052642473 is an apocalyptic number.

It is an amenable number.

18052642473 is a deficient number, since it is larger than the sum of its proper divisors (6604625463).

18052642473 is a wasteful number, since it uses less digits than its factorization.

18052642473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146769495.

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 18052642473 in words is "eighteen billion, fifty-two million, six hundred forty-two thousand, four hundred seventy-three".