9428444448249 has 4 divisors (see below), whose sum is σ = 12571259264336. Its totient is φ = 6285629632164.

The previous prime is 9428444448239. The next prime is 9428444448343.

9428444448249 is nontrivially palindromic in base 10.

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 9428444448249 - 2¹⁶ = 9428444382713 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 9428444448249.

It is not an unprimeable number, because it can be changed into a prime (9428444448239) 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, 1571407408039 + ... + 1571407408044.

It is an arithmetic number, because the mean of its divisors is an integer number (3142814816084).

Almost surely, 2^{9428444448249} is an apocalyptic number.

It is an amenable number.

9428444448249 is a deficient number, since it is larger than the sum of its proper divisors (3142814816087).

9428444448249 is a wasteful number, since it uses less digits than its factorization.

9428444448249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3142814816086.

The product of its digits is 339738624, while the sum is 66.

The spelling of 9428444448249 in words is "nine trillion, four hundred twenty-eight billion, four hundred forty-four million, four hundred forty-eight thousand, two hundred forty-nine".