64387346217496 has 16 divisors (see below), whose sum is σ = 121138309227600. Its totient is φ = 32083797090144.

The previous prime is 64387346217463. The next prime is 64387346217539. The reversal of 64387346217496 is 69471264378346.

64387346217496 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 in 3 ways as a sum of consecutive naturals, for example, 13734499836 + ... + 13734504523.

It is an arithmetic number, because the mean of its divisors is an integer number (7571144326725).

Almost surely, 2^{64387346217496} is an apocalyptic number.

It is an amenable number.

64387346217496 is a deficient number, since it is larger than the sum of its proper divisors (56750963010104).

64387346217496 is a wasteful number, since it uses less digits than its factorization.

64387346217496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27469004658 (or 27469004654 counting only the distinct ones).

The product of its digits is 877879296, while the sum is 70.

The spelling of 64387346217496 in words is "sixty-four trillion, three hundred eighty-seven billion, three hundred forty-six million, two hundred seventeen thousand, four hundred ninety-six".