502545422461 has 2 divisors, whose sum is σ = 502545422462. Its totient is φ = 502545422460.

The previous prime is 502545422447. The next prime is 502545422503. The reversal of 502545422461 is 164224545205.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 376222756900 + 126322665561 = 613370^2 + 355419^2 .

It is a cyclic number.

It is not a de Polignac number, because 502545422461 - 2¹¹ = 502545420413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (502545422441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251272711230 + 251272711231.

It is an arithmetic number, because the mean of its divisors is an integer number (251272711231).

Almost surely, 2^502545422461 is an apocalyptic number.

It is an amenable number.

502545422461 is a deficient number, since it is larger than the sum of its proper divisors (1).

502545422461 is an equidigital number, since it uses as much as digits as its factorization.

502545422461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384000, while the sum is 40.

Adding to 502545422461 its reverse (164224545205), we get a palindrome (666769967666).

The spelling of 502545422461 in words is "five hundred two billion, five hundred forty-five million, four hundred twenty-two thousand, four hundred sixty-one".