505365030641 has 2 divisors, whose sum is σ = 505365030642. Its totient is φ = 505365030640.

The previous prime is 505365030623. The next prime is 505365030661. The reversal of 505365030641 is 146030563505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 436128160000 + 69236870641 = 660400^2 + 263129^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-505365030641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 505365030595 and 505365030604.

It is not a weakly prime, because it can be changed into another prime (505365030661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252682515320 + 252682515321.

It is an arithmetic number, because the mean of its divisors is an integer number (252682515321).

Almost surely, 2^505365030641 is an apocalyptic number.

It is an amenable number.

505365030641 is a deficient number, since it is larger than the sum of its proper divisors (1).

505365030641 is an equidigital number, since it uses as much as digits as its factorization.

505365030641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162000, while the sum is 38.

The spelling of 505365030641 in words is "five hundred five billion, three hundred sixty-five million, thirty thousand, six hundred forty-one".