44350549821 has 6 divisors (see below), whose sum is σ = 64061905310. Its totient is φ = 29567033208.

The previous prime is 44350549813. The next prime is 44350549843. The reversal of 44350549821 is 12894505344.

44350549821 is a `hidden beast` number, since 443 + 50 + 54 + 98 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 34415444196 + 9935105625 = 185514^2 + 99675^2 .

It is not a de Polignac number, because 44350549821 - 2³ = 44350549813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44350549421) 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, 2463919426 + ... + 2463919443.

Almost surely, 2^44350549821 is an apocalyptic number.

It is an amenable number.

44350549821 is a deficient number, since it is larger than the sum of its proper divisors (19711355489).

44350549821 is a wasteful number, since it uses less digits than its factorization.

44350549821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4927838875 (or 4927838872 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 44350549821 in words is "forty-four billion, three hundred fifty million, five hundred forty-nine thousand, eight hundred twenty-one".