64445233254446 has 8 divisors (see below), whose sum is σ = 105455836234584. Its totient is φ = 29293287842920.

The previous prime is 64445233254427. The next prime is 64445233254487.

64445233254446 is nontrivially palindromic in base 10.

64445233254446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 64445233254391 and 64445233254400.

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, 1464664392125 + ... + 1464664392168.

It is an arithmetic number, because the mean of its divisors is an integer number (13181979529323).

Almost surely, 2^{64445233254446} is an apocalyptic number.

64445233254446 is a deficient number, since it is larger than the sum of its proper divisors (41010602980138).

64445233254446 is a wasteful number, since it uses less digits than its factorization.

64445233254446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2929328784306.

The product of its digits is 132710400, while the sum is 56.

It can be divided in two parts, 6444523 and 3254446, that added together give a palindrome (9698969).

The spelling of 64445233254446 in words is "sixty-four trillion, four hundred forty-five billion, two hundred thirty-three million, two hundred fifty-four thousand, four hundred forty-six".