43946052809 has 8 divisors (see below), whose sum is σ = 45139838088. Its totient is φ = 42752586240.

The previous prime is 43946052797. The next prime is 43946052853. The reversal of 43946052809 is 90825064934.

43946052809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3639467584 + 40306585225 = 60328^2 + 200765^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43946052809 is a prime.

It is a super-3 number, since 3×43946052809³ (a number of 33 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (43946054809) 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, 214379 + ... + 365855.

It is an arithmetic number, because the mean of its divisors is an integer number (5642479761).

Almost surely, 2^43946052809 is an apocalyptic number.

It is an amenable number.

43946052809 is a deficient number, since it is larger than the sum of its proper divisors (1193785279).

43946052809 is a wasteful number, since it uses less digits than its factorization.

43946052809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159355.

The product of its (nonzero) digits is 1866240, while the sum is 50.

The spelling of 43946052809 in words is "forty-three billion, nine hundred forty-six million, fifty-two thousand, eight hundred nine".