499109175992 has 64 divisors (see below), whose sum is σ = 1090164718080. Its totient is φ = 209778371712.

The previous prime is 499109175991. The next prime is 499109175997. The reversal of 499109175992 is 299571901994.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499109175991) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 7156763 + ... + 7226165.

It is an arithmetic number, because the mean of its divisors is an integer number (17033823720).

Almost surely, 2^499109175992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 499109175992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (545082359040).

499109175992 is an abundant number, since it is smaller than the sum of its proper divisors (591055542088).

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

499109175992 is a wasteful number, since it uses less digits than its factorization.

499109175992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71892 (or 71888 counting only the distinct ones).

The product of its (nonzero) digits is 16533720, while the sum is 65.

The spelling of 499109175992 in words is "four hundred ninety-nine billion, one hundred nine million, one hundred seventy-five thousand, nine hundred ninety-two".