43668266939 has 8 divisors (see below), whose sum is σ = 47648865600. Its totient is φ = 39689461000.

The previous prime is 43668266927. The next prime is 43668266953. The reversal of 43668266939 is 93966286634.

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

It is a cyclic number.

It is not a de Polignac number, because 43668266939 - 2²⁰ = 43667218363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43668266959) 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, 396989 + ... + 494910.

It is an arithmetic number, because the mean of its divisors is an integer number (5956108200).

Almost surely, 2^43668266939 is an apocalyptic number.

43668266939 is a deficient number, since it is larger than the sum of its proper divisors (3980598661).

43668266939 is a wasteful number, since it uses less digits than its factorization.

43668266939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896361.

The product of its digits is 60466176, while the sum is 62.

The spelling of 43668266939 in words is "forty-three billion, six hundred sixty-eight million, two hundred sixty-six thousand, nine hundred thirty-nine".