499431613588864 has 256 divisors, whose sum is σ = 1127810352936960. Its totient is φ = 218247974092800.

The previous prime is 499431613588823. The next prime is 499431613588867. The reversal of 499431613588864 is 468885316134994.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499431613588867) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4184081247 + ... + 4184200609.

It is an arithmetic number, because the mean of its divisors is an integer number (4405509191160).

Almost surely, 2^{499431613588864} is an apocalyptic number.

499431613588864 is a gapful number since it is divisible by the number (44) 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 499431613588864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (563905176468480).

499431613588864 is an abundant number, since it is smaller than the sum of its proper divisors (628378739348096).

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

499431613588864 is a wasteful number, since it uses less digits than its factorization.

499431613588864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120049 (or 120037 counting only the distinct ones).

The product of its digits is 4299816960, while the sum is 79.

The spelling of 499431613588864 in words is "four hundred ninety-nine trillion, four hundred thirty-one billion, six hundred thirteen million, five hundred eighty-eight thousand, eight hundred sixty-four".