402502317013 has 2 divisors, whose sum is σ = 402502317014. Its totient is φ = 402502317012.

The previous prime is 402502316999. The next prime is 402502317071. The reversal of 402502317013 is 310713205204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 299665371889 + 102836945124 = 547417^2 + 320682^2 .

It is a cyclic number.

It is not a de Polignac number, because 402502317013 - 2⁵ = 402502316981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402502317913) 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, 201251158506 + 201251158507.

It is an arithmetic number, because the mean of its divisors is an integer number (201251158507).

Almost surely, 2^402502317013 is an apocalyptic number.

It is an amenable number.

402502317013 is a deficient number, since it is larger than the sum of its proper divisors (1).

402502317013 is an equidigital number, since it uses as much as digits as its factorization.

402502317013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 28.

The spelling of 402502317013 in words is "four hundred two billion, five hundred two million, three hundred seventeen thousand, thirteen".