18047418776948 has 24 divisors (see below), whose sum is σ = 35642237712480. Its totient is φ = 7920497268320.

The previous prime is 18047418776921. The next prime is 18047418776963. The reversal of 18047418776948 is 84967781474081.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7071871286 + ... + 7071873837.

It is an arithmetic number, because the mean of its divisors is an integer number (1485093238020).

Almost surely, 2^{18047418776948} is an apocalyptic number.

It is an amenable number.

18047418776948 is a deficient number, since it is larger than the sum of its proper divisors (17594818935532).

18047418776948 is a wasteful number, since it uses less digits than its factorization.

18047418776948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14143745167 (or 14143745165 counting only the distinct ones).

The product of its (nonzero) digits is 606928896, while the sum is 74.

The spelling of 18047418776948 in words is "eighteen trillion, forty-seven billion, four hundred eighteen million, seven hundred seventy-six thousand, nine hundred forty-eight".