6513351055669 has 2 divisors, whose sum is σ = 6513351055670. Its totient is φ = 6513351055668.

The previous prime is 6513351055637. The next prime is 6513351055693. The reversal of 6513351055669 is 9665501533156.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6459044346225 + 54306709444 = 2541465^2 + 233038^2 .

It is a cyclic number.

It is not a de Polignac number, because 6513351055669 - 2⁵ = 6513351055637 is a prime.

It is a super-2 number, since 2×6513351055669² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6513351055699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3256675527834 + 3256675527835.

It is an arithmetic number, because the mean of its divisors is an integer number (3256675527835).

Almost surely, 2^{6513351055669} is an apocalyptic number.

It is an amenable number.

6513351055669 is a deficient number, since it is larger than the sum of its proper divisors (1).

6513351055669 is an equidigital number, since it uses as much as digits as its factorization.

6513351055669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10935000, while the sum is 55.

The spelling of 6513351055669 in words is "six trillion, five hundred thirteen billion, three hundred fifty-one million, fifty-five thousand, six hundred sixty-nine".