503260330649 has 2 divisors, whose sum is σ = 503260330650. Its totient is φ = 503260330648.

The previous prime is 503260330589. The next prime is 503260330679. The reversal of 503260330649 is 946033062305.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 266219881225 + 237040449424 = 515965^2 + 486868^2 .

It is a cyclic number.

It is not a de Polignac number, because 503260330649 - 2¹² = 503260326553 is a prime.

It is a super-2 number, since 2×503260330649² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (503260330679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251630165324 + 251630165325.

It is an arithmetic number, because the mean of its divisors is an integer number (251630165325).

Almost surely, 2^503260330649 is an apocalyptic number.

It is an amenable number.

503260330649 is a deficient number, since it is larger than the sum of its proper divisors (1).

503260330649 is an equidigital number, since it uses as much as digits as its factorization.

503260330649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 349920, while the sum is 41.

The spelling of 503260330649 in words is "five hundred three billion, two hundred sixty million, three hundred thirty thousand, six hundred forty-nine".