503344013441 has 2 divisors, whose sum is σ = 503344013442. Its totient is φ = 503344013440.

The previous prime is 503344013437. The next prime is 503344013449. The reversal of 503344013441 is 144310443305.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 437984534416 + 65359479025 = 661804^2 + 255655^2 .

It is a cyclic number.

It is not a de Polignac number, because 503344013441 - 2² = 503344013437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 503344013398 and 503344013407.

It is not a weakly prime, because it can be changed into another prime (503344013449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251672006720 + 251672006721.

It is an arithmetic number, because the mean of its divisors is an integer number (251672006721).

Almost surely, 2^503344013441 is an apocalyptic number.

It is an amenable number.

503344013441 is a deficient number, since it is larger than the sum of its proper divisors (1).

503344013441 is an equidigital number, since it uses as much as digits as its factorization.

503344013441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 503344013441 its reverse (144310443305), we get a palindrome (647654456746).

The spelling of 503344013441 in words is "five hundred three billion, three hundred forty-four million, thirteen thousand, four hundred forty-one".