64122447873 has 8 divisors (see below), whose sum is σ = 93269015136. Its totient is φ = 38862089600.

The previous prime is 64122447853. The next prime is 64122447877. The reversal of 64122447873 is 37874422146.

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 64122447873 - 2⁵ = 64122447841 is a prime.

It is a super-2 number, since 2×64122447873² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64122447877) 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, 971552208 + ... + 971552273.

It is an arithmetic number, because the mean of its divisors is an integer number (11658626892).

Almost surely, 2^64122447873 is an apocalyptic number.

It is an amenable number.

64122447873 is a deficient number, since it is larger than the sum of its proper divisors (29146567263).

64122447873 is a wasteful number, since it uses less digits than its factorization.

64122447873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943104495.

The product of its digits is 1806336, while the sum is 48.

The spelling of 64122447873 in words is "sixty-four billion, one hundred twenty-two million, four hundred forty-seven thousand, eight hundred seventy-three".