65854045801 has 2 divisors, whose sum is σ = 65854045802. Its totient is φ = 65854045800.

The previous prime is 65854045793. The next prime is 65854045879. The reversal of 65854045801 is 10854045856.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45496463401 + 20357582400 = 213299^2 + 142680^2 .

It is a cyclic number.

It is not a de Polignac number, because 65854045801 - 2³ = 65854045793 is a prime.

It is not a weakly prime, because it can be changed into another prime (65854045501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32927022900 + 32927022901.

It is an arithmetic number, because the mean of its divisors is an integer number (32927022901).

Almost surely, 2^65854045801 is an apocalyptic number.

It is an amenable number.

65854045801 is a deficient number, since it is larger than the sum of its proper divisors (1).

65854045801 is an equidigital number, since it uses as much as digits as its factorization.

65854045801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768000, while the sum is 46.

Subtracting from 65854045801 its reverse (10854045856), we obtain a palindrome (54999999945).

The spelling of 65854045801 in words is "sixty-five billion, eight hundred fifty-four million, forty-five thousand, eight hundred one".