499819306387 has 2 divisors, whose sum is σ = 499819306388. Its totient is φ = 499819306386.

The previous prime is 499819306367. The next prime is 499819306457. The reversal of 499819306387 is 783603918994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 499819306387 - 2²³ = 499810917779 is a prime.

It is not a weakly prime, because it can be changed into another prime (499819306367) 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, 249909653193 + 249909653194.

It is an arithmetic number, because the mean of its divisors is an integer number (249909653194).

Almost surely, 2^499819306387 is an apocalyptic number.

499819306387 is a deficient number, since it is larger than the sum of its proper divisors (1).

499819306387 is an equidigital number, since it uses as much as digits as its factorization.

499819306387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70543872, while the sum is 67.

The spelling of 499819306387 in words is "four hundred ninety-nine billion, eight hundred nineteen million, three hundred six thousand, three hundred eighty-seven".