6356486494081 has 2 divisors, whose sum is σ = 6356486494082. Its totient is φ = 6356486494080.

The previous prime is 6356486494013. The next prime is 6356486494087. The reversal of 6356486494081 is 1804946846536.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6195718374400 + 160768119681 = 2489120^2 + 400959^2 .

It is a cyclic number.

It is not a de Polignac number, because 6356486494081 - 2⁹ = 6356486493569 is a prime.

It is a super-2 number, since 2×6356486494081² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6356486494087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3178243247040 + 3178243247041.

It is an arithmetic number, because the mean of its divisors is an integer number (3178243247041).

Almost surely, 2^{6356486494081} is an apocalyptic number.

It is an amenable number.

6356486494081 is a deficient number, since it is larger than the sum of its proper divisors (1).

6356486494081 is an equidigital number, since it uses as much as digits as its factorization.

6356486494081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 119439360, while the sum is 64.

The spelling of 6356486494081 in words is "six trillion, three hundred fifty-six billion, four hundred eighty-six million, four hundred ninety-four thousand, eighty-one".