43608044913 has 8 divisors (see below), whose sum is σ = 58149664128. Its totient is φ = 29069227824.

The previous prime is 43608044911. The next prime is 43608044917. The reversal of 43608044913 is 31944080634.

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

It is not a de Polignac number, because 43608044913 - 2¹ = 43608044911 is a prime.

It is a super-2 number, since 2×43608044913² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (43608044911) 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, 663945 + ... + 726662.

It is an arithmetic number, because the mean of its divisors is an integer number (7268708016).

Almost surely, 2^43608044913 is an apocalyptic number.

It is an amenable number.

43608044913 is a deficient number, since it is larger than the sum of its proper divisors (14541619215).

43608044913 is a wasteful number, since it uses less digits than its factorization.

43608044913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401063.

The product of its (nonzero) digits is 248832, while the sum is 42.

The spelling of 43608044913 in words is "forty-three billion, six hundred eight million, forty-four thousand, nine hundred thirteen".