18827225468 has 6 divisors (see below), whose sum is σ = 32947644576. Its totient is φ = 9413612732.

The previous prime is 18827225441. The next prime is 18827225477. The reversal of 18827225468 is 86452272881.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2353403180 + ... + 2353403187.

It is an arithmetic number, because the mean of its divisors is an integer number (5491274096).

Almost surely, 2^18827225468 is an apocalyptic number.

It is an amenable number.

18827225468 is a deficient number, since it is larger than the sum of its proper divisors (14120419108).

18827225468 is a wasteful number, since it uses less digits than its factorization.

18827225468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4706806371 (or 4706806369 counting only the distinct ones).

The product of its digits is 3440640, while the sum is 53.

The spelling of 18827225468 in words is "eighteen billion, eight hundred twenty-seven million, two hundred twenty-five thousand, four hundred sixty-eight".