44321645149 has 8 divisors (see below), whose sum is σ = 47130216120. Its totient is φ = 41535453696.

The previous prime is 44321645143. The next prime is 44321645153. The reversal of 44321645149 is 94154612344.

It can be written as a sum of positive squares in 4 ways, for example, as 21371516100 + 22950129049 = 146190^2 + 151493^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 44321645149 - 2¹⁵ = 44321612381 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 (44321645143) 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, 5590794 + ... + 5598715.

It is an arithmetic number, because the mean of its divisors is an integer number (5891277015).

Almost surely, 2^44321645149 is an apocalyptic number.

It is an amenable number.

44321645149 is a deficient number, since it is larger than the sum of its proper divisors (2808570971).

44321645149 is a wasteful number, since it uses less digits than its factorization.

44321645149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11189759.

The product of its digits is 414720, while the sum is 43.

The spelling of 44321645149 in words is "forty-four billion, three hundred twenty-one million, six hundred forty-five thousand, one hundred forty-nine".