500438470763549 has 2 divisors, whose sum is σ = 500438470763550. Its totient is φ = 500438470763548.

The previous prime is 500438470763431. The next prime is 500438470763591. The reversal of 500438470763549 is 945367074834005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 499275563025625 + 1162907737924 = 22344475^2 + 1078382^2 .

It is a cyclic number.

It is not a de Polignac number, because 500438470763549 - 2²⁸ = 500438202328093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (500438470760549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250219235381774 + 250219235381775.

It is an arithmetic number, because the mean of its divisors is an integer number (250219235381775).

Almost surely, 2^{500438470763549} is an apocalyptic number.

It is an amenable number.

500438470763549 is a deficient number, since it is larger than the sum of its proper divisors (1).

500438470763549 is an equidigital number, since it uses as much as digits as its factorization.

500438470763549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 304819200, while the sum is 65.

The spelling of 500438470763549 in words is "five hundred trillion, four hundred thirty-eight billion, four hundred seventy million, seven hundred sixty-three thousand, five hundred forty-nine".