64323113600605 has 4 divisors (see below), whose sum is σ = 77187736320732. Its totient is φ = 51458490880480.

The previous prime is 64323113600591. The next prime is 64323113600623. The reversal of 64323113600605 is 50600631132346.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23980011569721 + 40343102030884 = 4896939^2 + 6351622^2 .

It is not a de Polignac number, because 64323113600605 - 2⁷ = 64323113600477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6432311360056 + ... + 6432311360065.

It is an arithmetic number, because the mean of its divisors is an integer number (19296934080183).

Almost surely, 2^{64323113600605} is an apocalyptic number.

It is an amenable number.

64323113600605 is a deficient number, since it is larger than the sum of its proper divisors (12864622720127).

64323113600605 is a wasteful number, since it uses less digits than its factorization.

64323113600605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12864622720126.

The product of its (nonzero) digits is 233280, while the sum is 40.

The spelling of 64323113600605 in words is "sixty-four trillion, three hundred twenty-three billion, one hundred thirteen million, six hundred thousand, six hundred five".