18743581514 has 16 divisors (see below), whose sum is σ = 32133708096. Its totient is φ = 8032500000.

The previous prime is 18743581481. The next prime is 18743581537. The reversal of 18743581514 is 41518534781.

18743581514 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342014 + ... + 393014.

It is an arithmetic number, because the mean of its divisors is an integer number (2008356756).

Almost surely, 2^18743581514 is an apocalyptic number.

18743581514 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18743581514 is a deficient number, since it is larger than the sum of its proper divisors (13390126582).

18743581514 is a wasteful number, since it uses less digits than its factorization.

18743581514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77261.

The product of its digits is 537600, while the sum is 47.

The spelling of 18743581514 in words is "eighteen billion, seven hundred forty-three million, five hundred eighty-one thousand, five hundred fourteen".