44663665065 has 8 divisors (see below), whose sum is σ = 71461864128. Its totient is φ = 23820621360.

The previous prime is 44663665061. The next prime is 44663665097. The reversal of 44663665065 is 56056636644.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 44663665065 - 2² = 44663665061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44663664999 and 44663665017.

It is not an unprimeable number, because it can be changed into a prime (44663665061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1488788821 + ... + 1488788850.

It is an arithmetic number, because the mean of its divisors is an integer number (8932733016).

Almost surely, 2^44663665065 is an apocalyptic number.

It is an amenable number.

44663665065 is a deficient number, since it is larger than the sum of its proper divisors (26798199063).

44663665065 is a wasteful number, since it uses less digits than its factorization.

44663665065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2977577679.

The product of its (nonzero) digits is 9331200, while the sum is 51.

The spelling of 44663665065 in words is "forty-four billion, six hundred sixty-three million, six hundred sixty-five thousand, sixty-five".