6490390713613 has 2 divisors, whose sum is σ = 6490390713614. Its totient is φ = 6490390713612.

The previous prime is 6490390713589. The next prime is 6490390713619. The reversal of 6490390713613 is 3163170930946.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4260810173929 + 2229580539684 = 2064173^2 + 1493178^2 .

It is a cyclic number.

It is not a de Polignac number, because 6490390713613 - 2⁵ = 6490390713581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6490390713619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3245195356806 + 3245195356807.

It is an arithmetic number, because the mean of its divisors is an integer number (3245195356807).

Almost surely, 2^{6490390713613} is an apocalyptic number.

It is an amenable number.

6490390713613 is a deficient number, since it is larger than the sum of its proper divisors (1).

6490390713613 is an equidigital number, since it uses as much as digits as its factorization.

6490390713613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2204496, while the sum is 52.

The spelling of 6490390713613 in words is "six trillion, four hundred ninety billion, three hundred ninety million, seven hundred thirteen thousand, six hundred thirteen".