64463233236446 has 16 divisors (see below), whose sum is σ = 105495084592128. Its totient is φ = 29298749141400.

The previous prime is 64463233236419. The next prime is 64463233236497.

64463233236446 is nontrivially palindromic in base 10.

64463233236446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 64463233236391 and 64463233236400.

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 7 ways as a sum of consecutive naturals, for example, 135783230 + ... + 136257153.

It is an arithmetic number, because the mean of its divisors is an integer number (6593442787008).

Almost surely, 2^{64463233236446} is an apocalyptic number.

64463233236446 is a deficient number, since it is larger than the sum of its proper divisors (41031851355682).

64463233236446 is a wasteful number, since it uses less digits than its factorization.

64463233236446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272051167.

The product of its digits is 107495424, while the sum is 56.

The spelling of 64463233236446 in words is "sixty-four trillion, four hundred sixty-three billion, two hundred thirty-three million, two hundred thirty-six thousand, four hundred forty-six".