18769568892 has 24 divisors (see below), whose sum is σ = 43860754896. Its totient is φ = 6247223808.

The previous prime is 18769568891. The next prime is 18769568903. The reversal of 18769568892 is 29886596781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18769568891) 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 7 ways as a sum of consecutive naturals, for example, 1153983 + ... + 1170134.

It is an arithmetic number, because the mean of its divisors is an integer number (1827531454).

Almost surely, 2^18769568892 is an apocalyptic number.

18769568892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18769568892 is an abundant number, since it is smaller than the sum of its proper divisors (25091186004).

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

18769568892 is a wasteful number, since it uses less digits than its factorization.

18769568892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2324797 (or 2324795 counting only the distinct ones).

The product of its digits is 104509440, while the sum is 69.

The spelling of 18769568892 in words is "eighteen billion, seven hundred sixty-nine million, five hundred sixty-eight thousand, eight hundred ninety-two".