6136520265989 has 2 divisors, whose sum is σ = 6136520265990. Its totient is φ = 6136520265988.

The previous prime is 6136520265983. The next prime is 6136520266033. The reversal of 6136520265989 is 9895620256316.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5220973653025 + 915546612964 = 2284945^2 + 956842^2 .

It is a cyclic number.

It is not a de Polignac number, because 6136520265989 - 2⁴ = 6136520265973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6136520265983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3068260132994 + 3068260132995.

It is an arithmetic number, because the mean of its divisors is an integer number (3068260132995).

Almost surely, 2^{6136520265989} is an apocalyptic number.

It is an amenable number.

6136520265989 is a deficient number, since it is larger than the sum of its proper divisors (1).

6136520265989 is an equidigital number, since it uses as much as digits as its factorization.

6136520265989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41990400, while the sum is 62.

The spelling of 6136520265989 in words is "six trillion, one hundred thirty-six billion, five hundred twenty million, two hundred sixty-five thousand, nine hundred eighty-nine".