64481605577300 has 18 divisors (see below), whose sum is σ = 139925084102958. Its totient is φ = 25792642230880.

The previous prime is 64481605577297. The next prime is 64481605577351. The reversal of 64481605577300 is 377550618446.

It is a happy number.

64481605577300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 15835974549136 + 48645631028164 = 3979444^2 + 6974642^2 .

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 322408027787 + ... + 322408027986.

Almost surely, 2^{64481605577300} is an apocalyptic number.

It is an amenable number.

64481605577300 is an abundant number, since it is smaller than the sum of its proper divisors (75443478525658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64481605577300 is a wasteful number, since it uses less digits than its factorization.

64481605577300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644816055787 (or 644816055780 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 56.

The spelling of 64481605577300 in words is "sixty-four trillion, four hundred eighty-one billion, six hundred five million, five hundred seventy-seven thousand, three hundred".