6356620013 has 2 divisors, whose sum is σ = 6356620014. Its totient is φ = 6356620012.

The previous prime is 6356620007. The next prime is 6356620117. The reversal of 6356620013 is 3100266536.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5761113604 + 595506409 = 75902^2 + 24403^2 .

It is a cyclic number.

It is not a de Polignac number, because 6356620013 - 2³⁰ = 5282878189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6356620513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3178310006 + 3178310007.

It is an arithmetic number, because the mean of its divisors is an integer number (3178310007).

Almost surely, 2^6356620013 is an apocalyptic number.

It is an amenable number.

6356620013 is a deficient number, since it is larger than the sum of its proper divisors (1).

6356620013 is an equidigital number, since it uses as much as digits as its factorization.

6356620013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 6356620013 is about 79728.4140880778. The cubic root of 6356620013 is about 1852.4311852406.

Adding to 6356620013 its reverse (3100266536), we get a palindrome (9456886549).

The spelling of 6356620013 in words is "six billion, three hundred fifty-six million, six hundred twenty thousand, thirteen".