65268307584461 has 2 divisors, whose sum is σ = 65268307584462. Its totient is φ = 65268307584460.

The previous prime is 65268307584437. The next prime is 65268307584503. The reversal of 65268307584461 is 16448570386256.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56476637828836 + 8791669755625 = 7515094^2 + 2965075^2 .

It is a cyclic number.

It is not a de Polignac number, because 65268307584461 - 2⁶ = 65268307584397 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65268307584661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32634153792230 + 32634153792231.

It is an arithmetic number, because the mean of its divisors is an integer number (32634153792231).

Almost surely, 2^{65268307584461} is an apocalyptic number.

It is an amenable number.

65268307584461 is a deficient number, since it is larger than the sum of its proper divisors (1).

65268307584461 is an equidigital number, since it uses as much as digits as its factorization.

65268307584461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 232243200, while the sum is 65.

The spelling of 65268307584461 in words is "sixty-five trillion, two hundred sixty-eight billion, three hundred seven million, five hundred eighty-four thousand, four hundred sixty-one".