502455497813 has 2 divisors, whose sum is σ = 502455497814. Its totient is φ = 502455497812.

The previous prime is 502455497777. The next prime is 502455497827. The reversal of 502455497813 is 318794554205.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 451937541169 + 50517956644 = 672263^2 + 224762^2 .

It is a cyclic number.

It is not a de Polignac number, because 502455497813 - 2¹⁸ = 502455235669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (502455497893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251227748906 + 251227748907.

It is an arithmetic number, because the mean of its divisors is an integer number (251227748907).

Almost surely, 2^502455497813 is an apocalyptic number.

It is an amenable number.

502455497813 is a deficient number, since it is larger than the sum of its proper divisors (1).

502455497813 is an equidigital number, since it uses as much as digits as its factorization.

502455497813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048000, while the sum is 53.

The spelling of 502455497813 in words is "five hundred two billion, four hundred fifty-five million, four hundred ninety-seven thousand, eight hundred thirteen".