18494623714 has 16 divisors (see below), whose sum is σ = 33570073728. Its totient is φ = 7460016192.

The previous prime is 18494623709. The next prime is 18494623739. The reversal of 18494623714 is 41732649481.

It is a happy number.

It is a super-2 number, since 2×18494623714² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38854014 + ... + 38854489.

It is an arithmetic number, because the mean of its divisors is an integer number (2098129608).

Almost surely, 2^18494623714 is an apocalyptic number.

18494623714 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18494623714 is a deficient number, since it is larger than the sum of its proper divisors (15075450014).

18494623714 is a wasteful number, since it uses less digits than its factorization.

18494623714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77708529.

The product of its digits is 1161216, while the sum is 49.

The spelling of 18494623714 in words is "eighteen billion, four hundred ninety-four million, six hundred twenty-three thousand, seven hundred fourteen".