503261424434369 has 2 divisors, whose sum is σ = 503261424434370. Its totient is φ = 503261424434368.

The previous prime is 503261424434341. The next prime is 503261424434449. The reversal of 503261424434369 is 963434424162305.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 402576656161969 + 100684768272400 = 20064313^2 + 10034180^2 .

It is a cyclic number.

It is not a de Polignac number, because 503261424434369 - 2³⁶ = 503192704957633 is a prime.

It is a super-2 number, since 2×503261424434369² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (503261424934369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251630712217184 + 251630712217185.

It is an arithmetic number, because the mean of its divisors is an integer number (251630712217185).

Almost surely, 2^{503261424434369} is an apocalyptic number.

It is an amenable number.

503261424434369 is a deficient number, since it is larger than the sum of its proper divisors (1).

503261424434369 is an equidigital number, since it uses as much as digits as its factorization.

503261424434369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44789760, while the sum is 56.

The spelling of 503261424434369 in words is "five hundred three trillion, two hundred sixty-one billion, four hundred twenty-four million, four hundred thirty-four thousand, three hundred sixty-nine".