499042170128 has 20 divisors (see below), whose sum is σ = 968964656400. Its totient is φ = 248986774944.

The previous prime is 499042170113. The next prime is 499042170181. The reversal of 499042170128 is 821071240994.

It is an unprimeable number.

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, 33386678 + ... + 33401621.

It is an arithmetic number, because the mean of its divisors is an integer number (48448232820).

Almost surely, 2^499042170128 is an apocalyptic number.

It is an amenable number.

499042170128 is a deficient number, since it is larger than the sum of its proper divisors (469922486272).

499042170128 is a wasteful number, since it uses less digits than its factorization.

499042170128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66788774 (or 66788768 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 47.

The spelling of 499042170128 in words is "four hundred ninety-nine billion, forty-two million, one hundred seventy thousand, one hundred twenty-eight".