44728853065 has 8 divisors (see below), whose sum is σ = 57803440968. Its totient is φ = 33030537600.

The previous prime is 44728853063. The next prime is 44728853069. The reversal of 44728853065 is 56035882744.

It can be written as a sum of positive squares in 4 ways, for example, as 1343295801 + 43385557264 = 36651^2 + 208292^2 .

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

It is not a de Polignac number, because 44728853065 - 2¹ = 44728853063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44728853063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344068036 + ... + 344068165.

It is an arithmetic number, because the mean of its divisors is an integer number (7225430121).

Almost surely, 2^44728853065 is an apocalyptic number.

It is an amenable number.

44728853065 is a deficient number, since it is larger than the sum of its proper divisors (13074587903).

44728853065 is a wasteful number, since it uses less digits than its factorization.

44728853065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688136219.

The product of its (nonzero) digits is 6451200, while the sum is 52.

The spelling of 44728853065 in words is "forty-four billion, seven hundred twenty-eight million, eight hundred fifty-three thousand, sixty-five".