44446650444521 has 4 divisors (see below), whose sum is σ = 47865623555652. Its totient is φ = 41027677333392.

The previous prime is 44446650444517. The next prime is 44446650444527. The reversal of 44446650444521 is 12544405664444.

It is a happy number.

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 16957223947225 + 27489426497296 = 4117915^2 + 5243036^2 .

It is a cyclic number.

It is not a de Polignac number, because 44446650444521 - 2² = 44446650444517 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44446650444527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1709486555546 + ... + 1709486555571.

It is an arithmetic number, because the mean of its divisors is an integer number (11966405888913).

Almost surely, 2^{44446650444521} is an apocalyptic number.

It is an amenable number.

44446650444521 is a deficient number, since it is larger than the sum of its proper divisors (3418973111131).

44446650444521 is a wasteful number, since it uses less digits than its factorization.

44446650444521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3418973111130.

The product of its (nonzero) digits is 29491200, while the sum is 53.

The spelling of 44446650444521 in words is "forty-four trillion, four hundred forty-six billion, six hundred fifty million, four hundred forty-four thousand, five hundred twenty-one".