64007212817 has 4 divisors (see below), whose sum is σ = 64019073600. Its totient is φ = 63995352036.

The previous prime is 64007212723. The next prime is 64007212823. The reversal of 64007212817 is 71821270046.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71821270046 = 2 ⋅35910635023.

It is a cyclic number.

It is not a de Polignac number, because 64007212817 - 2¹⁴ = 64007196433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64007212847) 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, 5922293 + ... + 5933090.

It is an arithmetic number, because the mean of its divisors is an integer number (16004768400).

Almost surely, 2^64007212817 is an apocalyptic number.

It is an amenable number.

64007212817 is a deficient number, since it is larger than the sum of its proper divisors (11860783).

64007212817 is a wasteful number, since it uses less digits than its factorization.

64007212817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11860782.

The product of its (nonzero) digits is 37632, while the sum is 38.

The spelling of 64007212817 in words is "sixty-four billion, seven million, two hundred twelve thousand, eight hundred seventeen".