64579348807448 has 8 divisors (see below), whose sum is σ = 121086279013980. Its totient is φ = 32289674403720.

The previous prime is 64579348807427. The next prime is 64579348807531. The reversal of 64579348807448 is 84470884397546.

64579348807448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4036209300458 + ... + 4036209300473.

Almost surely, 2^{64579348807448} is an apocalyptic number.

It is an amenable number.

64579348807448 is a deficient number, since it is larger than the sum of its proper divisors (56506930206532).

64579348807448 is a wasteful number, since it uses less digits than its factorization.

64579348807448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8072418600937 (or 8072418600933 counting only the distinct ones).

The product of its (nonzero) digits is 5202247680, while the sum is 77.

The spelling of 64579348807448 in words is "sixty-four trillion, five hundred seventy-nine billion, three hundred forty-eight million, eight hundred seven thousand, four hundred forty-eight".