65464663 has 4 divisors (see below), whose sum is σ = 71416008. Its totient is φ = 59513320.

The previous prime is 65464639. The next prime is 65464667. The reversal of 65464663 is 36646456.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65464663 - 2⁵ = 65464631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65464667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2975656 + ... + 2975677.

It is an arithmetic number, because the mean of its divisors is an integer number (17854002).

Almost surely, 2^65464663 is an apocalyptic number.

65464663 is a deficient number, since it is larger than the sum of its proper divisors (5951345).

65464663 is a wasteful number, since it uses less digits than its factorization.

65464663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5951344.

The product of its digits is 311040, while the sum is 40.

The square root of 65464663 is about 8091.0236064419. The cubic root of 65464663 is about 403.0283954402.

The spelling of 65464663 in words is "sixty-five million, four hundred sixty-four thousand, six hundred sixty-three".