64442600600221 has 8 divisors (see below), whose sum is σ = 65068988251904. Its totient is φ = 63816227012880.

The previous prime is 64442600600179. The next prime is 64442600600263. The reversal of 64442600600221 is 12200600624446.

64442600600221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (64442600600179) and next prime (64442600600263).

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 64442600600221 - 2⁷ = 64442600600093 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 (64442600000221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5812111 + ... + 12754051.

It is an arithmetic number, because the mean of its divisors is an integer number (8133623531488).

Almost surely, 2^{64442600600221} is an apocalyptic number.

It is an amenable number.

64442600600221 is a deficient number, since it is larger than the sum of its proper divisors (626387651683).

64442600600221 is a wasteful number, since it uses less digits than its factorization.

64442600600221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7032171.

The product of its (nonzero) digits is 110592, while the sum is 37.

The spelling of 64442600600221 in words is "sixty-four trillion, four hundred forty-two billion, six hundred million, six hundred thousand, two hundred twenty-one".