18471782714 has 16 divisors (see below), whose sum is σ = 34544632896. Its totient is φ = 7196798400.

The previous prime is 18471782699. The next prime is 18471782731. The reversal of 18471782714 is 41728717481.

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, 59973167 + ... + 59973474.

It is an arithmetic number, because the mean of its divisors is an integer number (2159039556).

Almost surely, 2^18471782714 is an apocalyptic number.

18471782714 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18471782714 is a deficient number, since it is larger than the sum of its proper divisors (16072850182).

18471782714 is a wasteful number, since it uses less digits than its factorization.

18471782714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119946661.

The product of its digits is 702464, while the sum is 50.

The spelling of 18471782714 in words is "eighteen billion, four hundred seventy-one million, seven hundred eighty-two thousand, seven hundred fourteen".