499564367768 has 32 divisors (see below), whose sum is σ = 949409083200. Its totient is φ = 246394407168.

The previous prime is 499564367767. The next prime is 499564367789. The reversal of 499564367768 is 867763465994.

It is a junction number, because it is equal to n+sod(n) for n = 499564367695 and 499564367704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499564367767) 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 7 ways as a sum of consecutive naturals, for example, 329180 + ... + 1052372.

It is an arithmetic number, because the mean of its divisors is an integer number (29669033850).

Almost surely, 2^499564367768 is an apocalyptic number.

It is an amenable number.

499564367768 is a deficient number, since it is larger than the sum of its proper divisors (449844715432).

499564367768 is a wasteful number, since it uses less digits than its factorization.

499564367768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724371 (or 724367 counting only the distinct ones).

The product of its digits is 1646023680, while the sum is 74.

The spelling of 499564367768 in words is "four hundred ninety-nine billion, five hundred sixty-four million, three hundred sixty-seven thousand, seven hundred sixty-eight".