44171013 has 4 divisors (see below), whose sum is σ = 58894688. Its totient is φ = 29447340.

The previous prime is 44170969. The next prime is 44171021. The reversal of 44171013 is 31017144.

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 not a de Polignac number, because 44171013 - 2⁶ = 44170949 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 (44171053) 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, 7361833 + ... + 7361838.

It is an arithmetic number, because the mean of its divisors is an integer number (14723672).

Almost surely, 2^44171013 is an apocalyptic number.

It is an amenable number.

44171013 is a deficient number, since it is larger than the sum of its proper divisors (14723675).

44171013 is a wasteful number, since it uses less digits than its factorization.

44171013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14723674.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 44171013 is about 6646.1276695532. The cubic root of 44171013 is about 353.4916176031.

Adding to 44171013 its reverse (31017144), we get a palindrome (75188157).

The spelling of 44171013 in words is "forty-four million, one hundred seventy-one thousand, thirteen".