503420330043053 has 2 divisors, whose sum is σ = 503420330043054. Its totient is φ = 503420330043052.

The previous prime is 503420330042989. The next prime is 503420330043089. The reversal of 503420330043053 is 350340033024305.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 299264327350564 + 204156002692489 = 17299258^2 + 14288317^2 .

It is a cyclic number.

It is not a de Polignac number, because 503420330043053 - 2⁶ = 503420330042989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (503420330045053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251710165021526 + 251710165021527.

It is an arithmetic number, because the mean of its divisors is an integer number (251710165021527).

Almost surely, 2^{503420330043053} is an apocalyptic number.

It is an amenable number.

503420330043053 is a deficient number, since it is larger than the sum of its proper divisors (1).

503420330043053 is an equidigital number, since it uses as much as digits as its factorization.

503420330043053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 35.

Adding to 503420330043053 its reverse (350340033024305), we get a palindrome (853760363067358).

The spelling of 503420330043053 in words is "five hundred three trillion, four hundred twenty billion, three hundred thirty million, forty-three thousand, fifty-three".