64473311822 has 8 divisors (see below), whose sum is σ = 97667492472. Its totient is φ = 31917481000.

The previous prime is 64473311783. The next prime is 64473311827. The reversal of 64473311822 is 22811337446.

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

It is a self number, because there is not a number n which added to its sum of digits gives 64473311822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64473311827) 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, 159587204 + ... + 159587607.

It is an arithmetic number, because the mean of its divisors is an integer number (12208436559).

Almost surely, 2^64473311822 is an apocalyptic number.

64473311822 is a deficient number, since it is larger than the sum of its proper divisors (33194180650).

64473311822 is a wasteful number, since it uses less digits than its factorization.

64473311822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319174914.

The product of its digits is 193536, while the sum is 41.

The spelling of 64473311822 in words is "sixty-four billion, four hundred seventy-three million, three hundred eleven thousand, eight hundred twenty-two".