4491870536188 has 24 divisors (see below), whose sum is σ = 8987373940832. Its totient is φ = 1924308900864.

The previous prime is 4491870536173. The next prime is 4491870536191. The reversal of 4491870536188 is 8816350781944.

It is a congruent number.

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, 32365845 + ... + 32504332.

Almost surely, 2^{4491870536188} is an apocalyptic number.

It is an amenable number.

4491870536188 is an abundant number, since it is smaller than the sum of its proper divisors (4495503404644).

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

4491870536188 is a wasteful number, since it uses less digits than its factorization.

4491870536188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64872661 (or 64872659 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 64.

The spelling of 4491870536188 in words is "four trillion, four hundred ninety-one billion, eight hundred seventy million, five hundred thirty-six thousand, one hundred eighty-eight".