64745063559 has 16 divisors (see below), whose sum is σ = 104638487040. Its totient is φ = 39239432280.

The previous prime is 64745063557. The next prime is 64745063561. The reversal of 64745063559 is 95536054746.

64745063559 is a `hidden beast` number, since 6 + 47 + 45 + 0 + 6 + 3 + 559 = 666.

It is an interprime number because it is at equal distance from previous prime (64745063557) and next prime (64745063561).

It is not a de Polignac number, because 64745063559 - 2¹ = 64745063557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64745063557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108998127 + ... + 108998720.

It is an arithmetic number, because the mean of its divisors is an integer number (6539905440).

Almost surely, 2^64745063559 is an apocalyptic number.

64745063559 is a deficient number, since it is larger than the sum of its proper divisors (39893423481).

64745063559 is a wasteful number, since it uses less digits than its factorization.

64745063559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217996867 (or 217996861 counting only the distinct ones).

The product of its (nonzero) digits is 13608000, while the sum is 54.

The spelling of 64745063559 in words is "sixty-four billion, seven hundred forty-five million, sixty-three thousand, five hundred fifty-nine".