44071451617 has 4 divisors (see below), whose sum is σ = 44388512560. Its totient is φ = 43754390676.

The previous prime is 44071451609. The next prime is 44071451621. The reversal of 44071451617 is 71615417044.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 44071451617 - 2³ = 44071451609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44071451617.

It is not an unprimeable number, because it can be changed into a prime (44071451647) 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, 158530263 + ... + 158530540.

It is an arithmetic number, because the mean of its divisors is an integer number (11097128140).

Almost surely, 2^44071451617 is an apocalyptic number.

It is an amenable number.

44071451617 is a deficient number, since it is larger than the sum of its proper divisors (317060943).

44071451617 is a wasteful number, since it uses less digits than its factorization.

44071451617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317060942.

The product of its (nonzero) digits is 94080, while the sum is 40.

The spelling of 44071451617 in words is "forty-four billion, seventy-one million, four hundred fifty-one thousand, six hundred seventeen".