44971617945 has 64 divisors (see below), whose sum is σ = 74330182656. Its totient is φ = 23206256640.

The previous prime is 44971617923. The next prime is 44971617961. The reversal of 44971617945 is 54971617944.

It is not a de Polignac number, because 44971617945 - 2⁹ = 44971617433 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 27139557 + ... + 27141213.

It is an arithmetic number, because the mean of its divisors is an integer number (1161409104).

Almost surely, 2^44971617945 is an apocalyptic number.

It is an amenable number.

44971617945 is a deficient number, since it is larger than the sum of its proper divisors (29358564711).

44971617945 is a wasteful number, since it uses less digits than its factorization.

44971617945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130.

The product of its digits is 7620480, while the sum is 57.

Subtracting 44971617945 from its reverse (54971617944), we obtain a palindrome (9999999999).

The spelling of 44971617945 in words is "forty-four billion, nine hundred seventy-one million, six hundred seventeen thousand, nine hundred forty-five".