499983789312 has 432 divisors, whose sum is σ = 1785038935680. Its totient is φ = 131319595008.

The previous prime is 499983789289. The next prime is 499983789317. The reversal of 499983789312 is 213987389994.

499983789312 is a `hidden beast` number, since 499 + 9 + 8 + 37 + 8 + 93 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499983789317) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 11768364 + ... + 11810772.

Almost surely, 2^499983789312 is an apocalyptic number.

499983789312 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 499983789312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (892519467840).

499983789312 is an abundant number, since it is smaller than the sum of its proper divisors (1285055146368).

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

499983789312 is a wasteful number, since it uses less digits than its factorization.

499983789312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42498 (or 42481 counting only the distinct ones).

The product of its digits is 211631616, while the sum is 72.

The spelling of 499983789312 in words is "four hundred ninety-nine billion, nine hundred eighty-three million, seven hundred eighty-nine thousand, three hundred twelve".