64652256223 has 8 divisors (see below), whose sum is σ = 66352935888. Its totient is φ = 62969385024.

The previous prime is 64652256217. The next prime is 64652256239. The reversal of 64652256223 is 32265225646.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64652256223 - 2⁹ = 64652255711 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 64652256223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64652256923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4444761 + ... + 4459282.

It is an arithmetic number, because the mean of its divisors is an integer number (8294116986).

Almost surely, 2^64652256223 is an apocalyptic number.

64652256223 is a deficient number, since it is larger than the sum of its proper divisors (1700679665).

64652256223 is a wasteful number, since it uses less digits than its factorization.

64652256223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8904233.

The product of its digits is 1036800, while the sum is 43.

The spelling of 64652256223 in words is "sixty-four billion, six hundred fifty-two million, two hundred fifty-six thousand, two hundred twenty-three".