6402663713 has 2 divisors, whose sum is σ = 6402663714. Its totient is φ = 6402663712.

The previous prime is 6402663691. The next prime is 6402663739. The reversal of 6402663713 is 3173662046.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5043414289 + 1359249424 = 71017^2 + 36868^2 .

It is a cyclic number.

It is not a de Polignac number, because 6402663713 - 2³⁰ = 5328921889 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (6402663763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3201331856 + 3201331857.

It is an arithmetic number, because the mean of its divisors is an integer number (3201331857).

Almost surely, 2^6402663713 is an apocalyptic number.

It is an amenable number.

6402663713 is a deficient number, since it is larger than the sum of its proper divisors (1).

6402663713 is an equidigital number, since it uses as much as digits as its factorization.

6402663713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 38.

The square root of 6402663713 is about 80016.6464743431. The cubic root of 6402663713 is about 1856.8930781454.

The spelling of 6402663713 in words is "six billion, four hundred two million, six hundred sixty-three thousand, seven hundred thirteen".