64640046606045 has 16 divisors (see below), whose sum is σ = 105829285607232. Its totient is φ = 33672954510720.

The previous prime is 64640046606043. The next prime is 64640046606059. The reversal of 64640046606045 is 54060664004646.

64640046606045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64640046606045 - 2¹ = 64640046606043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64640046606043) 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 15 ways as a sum of consecutive naturals, for example, 50108562616 + ... + 50108563905.

It is an arithmetic number, because the mean of its divisors is an integer number (6614330350452).

Almost surely, 2^{64640046606045} is an apocalyptic number.

It is an amenable number.

64640046606045 is a deficient number, since it is larger than the sum of its proper divisors (41189239001187).

64640046606045 is a wasteful number, since it uses less digits than its factorization.

64640046606045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100217126572.

The product of its (nonzero) digits is 9953280, while the sum is 51.

The spelling of 64640046606045 in words is "sixty-four trillion, six hundred forty billion, forty-six million, six hundred six thousand, forty-five".