65485467451801 has 2 divisors, whose sum is σ = 65485467451802. Its totient is φ = 65485467451800.

The previous prime is 65485467451717. The next prime is 65485467451879. The reversal of 65485467451801 is 10815476458456.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33904720346176 + 31580747105625 = 5822776^2 + 5619675^2 .

It is a cyclic number.

It is not a de Polignac number, because 65485467451801 - 2⁹ = 65485467451289 is a prime.

It is not a weakly prime, because it can be changed into another prime (65485464451801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32742733725900 + 32742733725901.

It is an arithmetic number, because the mean of its divisors is an integer number (32742733725901).

Almost surely, 2^{65485467451801} is an apocalyptic number.

It is an amenable number.

65485467451801 is a deficient number, since it is larger than the sum of its proper divisors (1).

65485467451801 is an equidigital number, since it uses as much as digits as its factorization.

65485467451801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024000, while the sum is 64.

The spelling of 65485467451801 in words is "sixty-five trillion, four hundred eighty-five billion, four hundred sixty-seven million, four hundred fifty-one thousand, eight hundred one".