8744448513 has 4 divisors (see below), whose sum is σ = 11659264688. Its totient is φ = 5829632340.

The previous prime is 8744448511. The next prime is 8744448541. The reversal of 8744448513 is 3158444478.

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 8744448513 - 2¹ = 8744448511 is a prime.

It is a super-2 number, since 2×8744448513² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8744448511) 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, 1457408083 + ... + 1457408088.

It is an arithmetic number, because the mean of its divisors is an integer number (2914816172).

Almost surely, 2^8744448513 is an apocalyptic number.

It is an amenable number.

8744448513 is a deficient number, since it is larger than the sum of its proper divisors (2914816175).

8744448513 is a wasteful number, since it uses less digits than its factorization.

8744448513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2914816174.

The product of its digits is 1720320, while the sum is 48.

The square root of 8744448513 is about 93511.7560149525. The cubic root of 8744448513 is about 2060.2067622453.

The spelling of 8744448513 in words is "eight billion, seven hundred forty-four million, four hundred forty-eight thousand, five hundred thirteen".