18889269246 has 48 divisors (see below), whose sum is σ = 42781839360. Its totient is φ = 6016168080.

The previous prime is 18889269227. The next prime is 18889269247. The reversal of 18889269246 is 64296298881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18889269247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 170170 + ... + 258333.

It is an arithmetic number, because the mean of its divisors is an integer number (891288320).

Almost surely, 2^18889269246 is an apocalyptic number.

18889269246 is an abundant number, since it is smaller than the sum of its proper divisors (23892570114).

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

18889269246 is a wasteful number, since it uses less digits than its factorization.

18889269246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428621 (or 428618 counting only the distinct ones).

The product of its digits is 23887872, while the sum is 63.

The spelling of 18889269246 in words is "eighteen billion, eight hundred eighty-nine million, two hundred sixty-nine thousand, two hundred forty-six".