6368591115949 has 2 divisors, whose sum is σ = 6368591115950. Its totient is φ = 6368591115948.

The previous prime is 6368591115937. The next prime is 6368591115973. The reversal of 6368591115949 is 9495111958636.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4929478979049 + 1439112136900 = 2220243^2 + 1199630^2 .

It is a cyclic number.

It is not a de Polignac number, because 6368591115949 - 2¹³ = 6368591107757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6368591115049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3184295557974 + 3184295557975.

It is an arithmetic number, because the mean of its divisors is an integer number (3184295557975).

Almost surely, 2^{6368591115949} is an apocalyptic number.

It is an amenable number.

6368591115949 is a deficient number, since it is larger than the sum of its proper divisors (1).

6368591115949 is an equidigital number, since it uses as much as digits as its factorization.

6368591115949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62985600, while the sum is 67.

The spelling of 6368591115949 in words is "six trillion, three hundred sixty-eight billion, five hundred ninety-one million, one hundred fifteen thousand, nine hundred forty-nine".