503053253993 has 2 divisors, whose sum is σ = 503053253994. Its totient is φ = 503053253992.

The previous prime is 503053253947. The next prime is 503053254073. The reversal of 503053253993 is 399352350305.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 429304075369 + 73749178624 = 655213^2 + 271568^2 .

It is a cyclic number.

It is not a de Polignac number, because 503053253993 - 2⁶ = 503053253929 is a prime.

It is not a weakly prime, because it can be changed into another prime (503053250993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251526626996 + 251526626997.

It is an arithmetic number, because the mean of its divisors is an integer number (251526626997).

Almost surely, 2^503053253993 is an apocalyptic number.

It is an amenable number.

503053253993 is a deficient number, since it is larger than the sum of its proper divisors (1).

503053253993 is an equidigital number, since it uses as much as digits as its factorization.

503053253993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1640250, while the sum is 47.

The spelling of 503053253993 in words is "five hundred three billion, fifty-three million, two hundred fifty-three thousand, nine hundred ninety-three".