43216883968 has 18 divisors (see below), whose sum is σ = 86264952494. Its totient is φ = 21608441856.

The previous prime is 43216883947. The next prime is 43216883971. The reversal of 43216883968 is 86938861234.

It can be written as a sum of positive squares in only one way, i.e., 43077832704 + 139051264 = 207552^2 + 11792^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84407721 + ... + 84408232.

Almost surely, 2^43216883968 is an apocalyptic number.

It is an amenable number.

43216883968 is a deficient number, since it is larger than the sum of its proper divisors (43048068526).

43216883968 is an equidigital number, since it uses as much as digits as its factorization.

43216883968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168815969 (or 168815955 counting only the distinct ones).

The product of its digits is 11943936, while the sum is 58.

The spelling of 43216883968 in words is "forty-three billion, two hundred sixteen million, eight hundred eighty-three thousand, nine hundred sixty-eight".