43445444413 has 8 divisors (see below), whose sum is σ = 49673183040. Its totient is φ = 37223017440.

The previous prime is 43445444381. The next prime is 43445444491. The reversal of 43445444413 is 31444454434.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 43445444413 - 2⁵ = 43445444381 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 (43445444813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1310368 + ... + 1343113.

It is an arithmetic number, because the mean of its divisors is an integer number (6209147880).

Almost surely, 2^43445444413 is an apocalyptic number.

It is an amenable number.

43445444413 is a deficient number, since it is larger than the sum of its proper divisors (6227738627).

43445444413 is a wasteful number, since it uses less digits than its factorization.

43445444413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2655827.

The product of its digits is 737280, while the sum is 40.

Adding to 43445444413 its reverse (31444454434), we get a palindrome (74889898847).

The spelling of 43445444413 in words is "forty-three billion, four hundred forty-five million, four hundred forty-four thousand, four hundred thirteen".