64444410744701 has 6 divisors (see below), whose sum is σ = 69783000984090. Its totient is φ = 59487148379568.

The previous prime is 64444410744677. The next prime is 64444410744731. The reversal of 64444410744701 is 10744701444446.

It can be written as a sum of positive squares in 3 ways, for example, as 3968358821476 + 60476051923225 = 1992074^2 + 7776635^2 .

It is not a de Polignac number, because 64444410744701 - 2³⁴ = 64427230875517 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64444410744701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64444410744731) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 190663936946 + ... + 190663937283.

It is an arithmetic number, because the mean of its divisors is an integer number (11630500164015).

Almost surely, 2^{64444410744701} is an apocalyptic number.

It is an amenable number.

64444410744701 is a deficient number, since it is larger than the sum of its proper divisors (5338590239389).

64444410744701 is a wasteful number, since it uses less digits than its factorization.

64444410744701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381327874255 (or 381327874242 counting only the distinct ones).

The product of its (nonzero) digits is 4816896, while the sum is 50.

The spelling of 64444410744701 in words is "sixty-four trillion, four hundred forty-four billion, four hundred ten million, seven hundred forty-four thousand, seven hundred one".