64642024605 has 16 divisors (see below), whose sum is σ = 103431017664. Its totient is φ = 34474487040.

The previous prime is 64642024589. The next prime is 64642024619. The reversal of 64642024605 is 50642024646.

It is not a de Polignac number, because 64642024605 - 2⁴ = 64642024589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 468142 + ... + 590288.

It is an arithmetic number, because the mean of its divisors is an integer number (6464438604).

Almost surely, 2^64642024605 is an apocalyptic number.

It is an amenable number.

64642024605 is a deficient number, since it is larger than the sum of its proper divisors (38788993059).

64642024605 is a wasteful number, since it uses less digits than its factorization.

64642024605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157436.

The product of its (nonzero) digits is 276480, while the sum is 39.

The spelling of 64642024605 in words is "sixty-four billion, six hundred forty-two million, twenty-four thousand, six hundred five".