43946946979 has 4 divisors (see below), whose sum is σ = 47327481376. Its totient is φ = 40566412584.

The previous prime is 43946946961. The next prime is 43946946991. The reversal of 43946946979 is 97964964934.

43946946979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43946946979 - 2⁷ = 43946946851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43946946479) 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, 1690267179 + ... + 1690267204.

It is an arithmetic number, because the mean of its divisors is an integer number (11831870344).

Almost surely, 2^43946946979 is an apocalyptic number.

43946946979 is a deficient number, since it is larger than the sum of its proper divisors (3380534397).

43946946979 is a wasteful number, since it uses less digits than its factorization.

43946946979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3380534396.

The product of its digits is 317447424, while the sum is 70.

The spelling of 43946946979 in words is "forty-three billion, nine hundred forty-six million, nine hundred forty-six thousand, nine hundred seventy-nine".