18739714848 has 24 divisors (see below), whose sum is σ = 49191751728. Its totient is φ = 6246571584.

The previous prime is 18739714843. The next prime is 18739714849. The reversal of 18739714848 is 84841793781.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 18739714791 and 18739714800.

It is not an unprimeable number, because it can be changed into a prime (18739714841) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 97602586 + ... + 97602777.

It is an arithmetic number, because the mean of its divisors is an integer number (2049656322).

Almost surely, 2^18739714848 is an apocalyptic number.

It is an amenable number.

18739714848 is an abundant number, since it is smaller than the sum of its proper divisors (30452036880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18739714848 is a wasteful number, since it uses less digits than its factorization.

18739714848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195205376 (or 195205368 counting only the distinct ones).

The product of its digits is 10838016, while the sum is 60.

The spelling of 18739714848 in words is "eighteen billion, seven hundred thirty-nine million, seven hundred fourteen thousand, eight hundred forty-eight".