502209980782313 has 2 divisors, whose sum is σ = 502209980782314. Its totient is φ = 502209980782312.

The previous prime is 502209980782309. The next prime is 502209980782481. The reversal of 502209980782313 is 313287089902205.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 282638872025689 + 219571108756624 = 16811867^2 + 14817932^2 .

It is a cyclic number.

It is not a de Polignac number, because 502209980782313 - 2² = 502209980782309 is a prime.

It is not a weakly prime, because it can be changed into another prime (502209980787313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251104990391156 + 251104990391157.

It is an arithmetic number, because the mean of its divisors is an integer number (251104990391157).

Almost surely, 2^{502209980782313} is an apocalyptic number.

It is an amenable number.

502209980782313 is a deficient number, since it is larger than the sum of its proper divisors (1).

502209980782313 is an equidigital number, since it uses as much as digits as its factorization.

502209980782313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13063680, while the sum is 59.

The spelling of 502209980782313 in words is "five hundred two trillion, two hundred nine billion, nine hundred eighty million, seven hundred eighty-two thousand, three hundred thirteen".