6505046361361 has 2 divisors, whose sum is σ = 6505046361362. Its totient is φ = 6505046361360.

The previous prime is 6505046361323. The next prime is 6505046361403. The reversal of 6505046361361 is 1631636405056.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5537931464961 + 967114896400 = 2353281^2 + 983420^2 .

It is a cyclic number.

It is not a de Polignac number, because 6505046361361 - 2¹⁷ = 6505046230289 is a prime.

It is not a weakly prime, because it can be changed into another prime (6505046361301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3252523180680 + 3252523180681.

It is an arithmetic number, because the mean of its divisors is an integer number (3252523180681).

Almost surely, 2^{6505046361361} is an apocalyptic number.

It is an amenable number.

6505046361361 is a deficient number, since it is larger than the sum of its proper divisors (1).

6505046361361 is an equidigital number, since it uses as much as digits as its factorization.

6505046361361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1166400, while the sum is 46.

The spelling of 6505046361361 in words is "six trillion, five hundred five billion, forty-six million, three hundred sixty-one thousand, three hundred sixty-one".