65321000593 has 2 divisors, whose sum is σ = 65321000594. Its totient is φ = 65321000592.

The previous prime is 65321000567. The next prime is 65321000599. The reversal of 65321000593 is 39500012356.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47778527889 + 17542472704 = 218583^2 + 132448^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65321000593 is a prime.

It is not a weakly prime, because it can be changed into another prime (65321000599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32660500296 + 32660500297.

It is an arithmetic number, because the mean of its divisors is an integer number (32660500297).

Almost surely, 2^65321000593 is an apocalyptic number.

It is an amenable number.

65321000593 is a deficient number, since it is larger than the sum of its proper divisors (1).

65321000593 is an equidigital number, since it uses as much as digits as its factorization.

65321000593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24300, while the sum is 34.

The spelling of 65321000593 in words is "sixty-five billion, three hundred twenty-one million, five hundred ninety-three", and thus it is an aban number.