64435506644306 has 16 divisors (see below), whose sum is σ = 110462820498240. Its totient is φ = 27614729142000.

The previous prime is 64435506644303. The next prime is 64435506644321. The reversal of 64435506644306 is 60344660553446.

64435506644306 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (64435506644303) by changing a digit.

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, 39844820 + ... + 41430431.

It is an arithmetic number, because the mean of its divisors is an integer number (6903926281140).

Almost surely, 2^{64435506644306} is an apocalyptic number.

64435506644306 is a deficient number, since it is larger than the sum of its proper divisors (46027313853934).

64435506644306 is a wasteful number, since it uses less digits than its factorization.

64435506644306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81331889.

The product of its (nonzero) digits is 74649600, while the sum is 56.

The spelling of 64435506644306 in words is "sixty-four trillion, four hundred thirty-five billion, five hundred six million, six hundred forty-four thousand, three hundred six".