500421100373 has 2 divisors, whose sum is σ = 500421100374. Its totient is φ = 500421100372.

The previous prime is 500421100241. The next prime is 500421100397. The reversal of 500421100373 is 373001124005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 469599084529 + 30822015844 = 685273^2 + 175562^2 .

It is a cyclic number.

It is not a de Polignac number, because 500421100373 - 2¹⁴ = 500421083989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (500421100073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250210550186 + 250210550187.

It is an arithmetic number, because the mean of its divisors is an integer number (250210550187).

Almost surely, 2^500421100373 is an apocalyptic number.

It is an amenable number.

500421100373 is a deficient number, since it is larger than the sum of its proper divisors (1).

500421100373 is an equidigital number, since it uses as much as digits as its factorization.

500421100373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 26.

Adding to 500421100373 its reverse (373001124005), we get a palindrome (873422224378).

The spelling of 500421100373 in words is "five hundred billion, four hundred twenty-one million, one hundred thousand, three hundred seventy-three".