499951503823 has 2 divisors, whose sum is σ = 499951503824. Its totient is φ = 499951503822.

The previous prime is 499951503791. The next prime is 499951503889. The reversal of 499951503823 is 328305159994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 499951503823 - 2⁵ = 499951503791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499951501823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249975751911 + 249975751912.

It is an arithmetic number, because the mean of its divisors is an integer number (249975751912).

Almost surely, 2^499951503823 is an apocalyptic number.

499951503823 is a deficient number, since it is larger than the sum of its proper divisors (1).

499951503823 is an equidigital number, since it uses as much as digits as its factorization.

499951503823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10497600, while the sum is 58.

The spelling of 499951503823 in words is "four hundred ninety-nine billion, nine hundred fifty-one million, five hundred three thousand, eight hundred twenty-three".