499644330766847 has 12 divisors (see below), whose sum is σ = 584610503386320. Its totient is φ = 418306881561408.

The previous prime is 499644330766829. The next prime is 499644330766993. The reversal of 499644330766847 is 748667033446994.

It is not a de Polignac number, because 499644330766847 - 2⁸ = 499644330766591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499644330766747) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19301707322 + ... + 19301733207.

It is an arithmetic number, because the mean of its divisors is an integer number (48717541948860).

Almost surely, 2^{499644330766847} is an apocalyptic number.

499644330766847 is a deficient number, since it is larger than the sum of its proper divisors (84966172619473).

499644330766847 is an equidigital number, since it uses as much as digits as its factorization.

499644330766847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38603440622 (or 38603440579 counting only the distinct ones).

The product of its (nonzero) digits is 15801827328, while the sum is 80.

The spelling of 499644330766847 in words is "four hundred ninety-nine trillion, six hundred forty-four billion, three hundred thirty million, seven hundred sixty-six thousand, eight hundred forty-seven".