44871564949 has 4 divisors (see below), whose sum is σ = 45097050400. Its totient is φ = 44646079500.

The previous prime is 44871564937. The next prime is 44871564973. The reversal of 44871564949 is 94946517844.

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 a de Polignac number, because none of the positive numbers 2^k-44871564949 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 (44871564929) 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, 112742427 + ... + 112742824.

It is an arithmetic number, because the mean of its divisors is an integer number (11274262600).

Almost surely, 2^44871564949 is an apocalyptic number.

It is an amenable number.

44871564949 is a deficient number, since it is larger than the sum of its proper divisors (225485451).

44871564949 is a wasteful number, since it uses less digits than its factorization.

44871564949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225485450.

The product of its digits is 34836480, while the sum is 61.

The spelling of 44871564949 in words is "forty-four billion, eight hundred seventy-one million, five hundred sixty-four thousand, nine hundred forty-nine".