64384281157027 has 4 divisors (see below), whose sum is σ = 69336918169120. Its totient is φ = 59431644144936.

The previous prime is 64384281156991. The next prime is 64384281157033. The reversal of 64384281157027 is 72075118248346.

It is a happy number.

64384281157027 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64384281157027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64384281157067) 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 3 ways as a sum of consecutive naturals, for example, 2476318506027 + ... + 2476318506052.

It is an arithmetic number, because the mean of its divisors is an integer number (17334229542280).

Almost surely, 2^{64384281157027} is an apocalyptic number.

64384281157027 is a deficient number, since it is larger than the sum of its proper divisors (4952637012093).

64384281157027 is a wasteful number, since it uses less digits than its factorization.

64384281157027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4952637012092.

The product of its (nonzero) digits is 18063360, while the sum is 58.

The spelling of 64384281157027 in words is "sixty-four trillion, three hundred eighty-four billion, two hundred eighty-one million, one hundred fifty-seven thousand, twenty-seven".