44953399549 has 4 divisors (see below), whose sum is σ = 45086792764. Its totient is φ = 44820006336.

The previous prime is 44953399531. The next prime is 44953399577. The reversal of 44953399549 is 94599335944.

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 8173064025 + 36780335524 = 90405^2 + 191782^2 .

It is a cyclic number.

It is not a de Polignac number, because 44953399549 - 2⁹ = 44953399037 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 (44953399349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66696102 + ... + 66696775.

It is an arithmetic number, because the mean of its divisors is an integer number (11271698191).

Almost surely, 2^44953399549 is an apocalyptic number.

It is an amenable number.

44953399549 is a deficient number, since it is larger than the sum of its proper divisors (133393215).

44953399549 is a wasteful number, since it uses less digits than its factorization.

44953399549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133393214.

The product of its digits is 94478400, while the sum is 64.

The spelling of 44953399549 in words is "forty-four billion, nine hundred fifty-three million, three hundred ninety-nine thousand, five hundred forty-nine".