64883351825444 has 12 divisors (see below), whose sum is σ = 113615227871964. Its totient is φ = 32421858147744.

The previous prime is 64883351825419. The next prime is 64883351825473. The reversal of 64883351825444 is 44452815338846.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6772277569600 + 58111074255844 = 2602360^2 + 7623062^2 .

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 3 ways as a sum of consecutive naturals, for example, 4954433879 + ... + 4954446974.

It is an arithmetic number, because the mean of its divisors is an integer number (9467935655997).

Almost surely, 2^{64883351825444} is an apocalyptic number.

It is an amenable number.

64883351825444 is a deficient number, since it is larger than the sum of its proper divisors (48731876046520).

64883351825444 is a wasteful number, since it uses less digits than its factorization.

64883351825444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9908882494 (or 9908882492 counting only the distinct ones).

The product of its digits is 353894400, while the sum is 65.

The spelling of 64883351825444 in words is "sixty-four trillion, eight hundred eighty-three billion, three hundred fifty-one million, eight hundred twenty-five thousand, four hundred forty-four".