503420643422 has 8 divisors (see below), whose sum is σ = 794874700200. Its totient is φ = 238462410024.

The previous prime is 503420643419. The next prime is 503420643437. The reversal of 503420643422 is 224346024305.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6623955797 + ... + 6623955872.

It is an arithmetic number, because the mean of its divisors is an integer number (99359337525).

Almost surely, 2^503420643422 is an apocalyptic number.

503420643422 is a deficient number, since it is larger than the sum of its proper divisors (291454056778).

503420643422 is a wasteful number, since it uses less digits than its factorization.

503420643422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13247911690.

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 503420643422 its reverse (224346024305), we get a palindrome (727766667727).

The spelling of 503420643422 in words is "five hundred three billion, four hundred twenty million, six hundred forty-three thousand, four hundred twenty-two".