64322463 has 4 divisors (see below), whose sum is σ = 85763288. Its totient is φ = 42881640.

The previous prime is 64322437. The next prime is 64322471. The reversal of 64322463 is 36422346.

It is a happy number.

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

It is not a de Polignac number, because 64322463 - 2⁵ = 64322431 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64322463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64322483) 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 in 3 ways as a sum of consecutive naturals, for example, 10720408 + ... + 10720413.

It is an arithmetic number, because the mean of its divisors is an integer number (21440822).

Almost surely, 2^64322463 is an apocalyptic number.

64322463 is a deficient number, since it is larger than the sum of its proper divisors (21440825).

64322463 is a wasteful number, since it uses less digits than its factorization.

64322463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21440824.

The product of its digits is 20736, while the sum is 30.

The square root of 64322463 is about 8020.1286149288. The cubic root of 64322463 is about 400.6706727832.

The spelling of 64322463 in words is "sixty-four million, three hundred twenty-two thousand, four hundred sixty-three".