503426053549 has 2 divisors, whose sum is σ = 503426053550. Its totient is φ = 503426053548.

The previous prime is 503426053519. The next prime is 503426053567. The reversal of 503426053549 is 945350624305.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 427859892100 + 75566161449 = 654110^2 + 274893^2 .

It is a cyclic number.

It is not a de Polignac number, because 503426053549 - 2⁵ = 503426053517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 503426053499 and 503426053508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (503426053519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251713026774 + 251713026775.

It is an arithmetic number, because the mean of its divisors is an integer number (251713026775).

Almost surely, 2^503426053549 is an apocalyptic number.

It is an amenable number.

503426053549 is a deficient number, since it is larger than the sum of its proper divisors (1).

503426053549 is an equidigital number, since it uses as much as digits as its factorization.

503426053549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944000, while the sum is 46.

The spelling of 503426053549 in words is "five hundred three billion, four hundred twenty-six million, fifty-three thousand, five hundred forty-nine".