64044691200001 has 4 divisors (see below), whose sum is σ = 64091066792404. Its totient is φ = 63998315607600.

The previous prime is 64044691199987. The next prime is 64044691200029. The reversal of 64044691200001 is 10000219644046.

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 38751235052401 + 25293456147600 = 6225049^2 + 5029260^2 .

It is a cyclic number.

It is not a de Polignac number, because 64044691200001 - 2¹¹ = 64044691197953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64044691204001) by changing a digit.

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, 23187794130 + ... + 23187796891.

It is an arithmetic number, because the mean of its divisors is an integer number (16022766698101).

Almost surely, 2^{64044691200001} is an apocalyptic number.

It is an amenable number.

64044691200001 is a deficient number, since it is larger than the sum of its proper divisors (46375592403).

64044691200001 is a wasteful number, since it uses less digits than its factorization.

64044691200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46375592402.

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 64044691200001 in words is "sixty-four trillion, forty-four billion, six hundred ninety-one million, two hundred thousand, one".