64321065901 has 8 divisors (see below), whose sum is σ = 65546392320. Its totient is φ = 63096173712.

The previous prime is 64321065871. The next prime is 64321065917. The reversal of 64321065901 is 10956012346.

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 64321065901 - 2¹¹ = 64321063853 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 (64321065971) 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, 198720 + ... + 410038.

It is an arithmetic number, because the mean of its divisors is an integer number (8193299040).

Almost surely, 2^64321065901 is an apocalyptic number.

It is an amenable number.

64321065901 is a deficient number, since it is larger than the sum of its proper divisors (1225326419).

64321065901 is a wasteful number, since it uses less digits than its factorization.

64321065901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217115.

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 64321065901 in words is "sixty-four billion, three hundred twenty-one million, sixty-five thousand, nine hundred one".