52064395591609 has 2 divisors, whose sum is σ = 52064395591610. Its totient is φ = 52064395591608.

The previous prime is 52064395591603. The next prime is 52064395591739. The reversal of 52064395591609 is 90619559346025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51155795819584 + 908599772025 = 7152328^2 + 953205^2 .

It is a cyclic number.

It is not a de Polignac number, because 52064395591609 - 2⁹ = 52064395591097 is a prime.

It is a super-2 number, since 2×52064395591609² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52064395591603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26032197795804 + 26032197795805.

It is an arithmetic number, because the mean of its divisors is an integer number (26032197795805).

Almost surely, 2^{52064395591609} is an apocalyptic number.

It is an amenable number.

52064395591609 is a deficient number, since it is larger than the sum of its proper divisors (1).

52064395591609 is an equidigital number, since it uses as much as digits as its factorization.

52064395591609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78732000, while the sum is 64.

The spelling of 52064395591609 in words is "fifty-two trillion, sixty-four billion, three hundred ninety-five million, five hundred ninety-one thousand, six hundred nine".