65541468719 has 2 divisors, whose sum is σ = 65541468720. Its totient is φ = 65541468718.

The previous prime is 65541468673. The next prime is 65541468731. The reversal of 65541468719 is 91786414556.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65541468719 - 2²⁸ = 65273033263 is a prime.

It is a super-2 number, since 2×65541468719² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65541468749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32770734359 + 32770734360.

It is an arithmetic number, because the mean of its divisors is an integer number (32770734360).

Almost surely, 2^65541468719 is an apocalyptic number.

65541468719 is a deficient number, since it is larger than the sum of its proper divisors (1).

65541468719 is an equidigital number, since it uses as much as digits as its factorization.

65541468719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7257600, while the sum is 56.

The spelling of 65541468719 in words is "sixty-five billion, five hundred forty-one million, four hundred sixty-eight thousand, seven hundred nineteen".