43213267768 has 16 divisors (see below), whose sum is σ = 88390775160. Its totient is φ = 19642394400.

The previous prime is 43213267729. The next prime is 43213267817. The reversal of 43213267768 is 86776231234.

It is a super-2 number, since 2×43213267768² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245529843 + ... + 245530018.

Almost surely, 2^43213267768 is an apocalyptic number.

It is an amenable number.

43213267768 is an abundant number, since it is smaller than the sum of its proper divisors (45177507392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43213267768 is a wasteful number, since it uses less digits than its factorization.

43213267768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491059878 (or 491059874 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 49.

The spelling of 43213267768 in words is "forty-three billion, two hundred thirteen million, two hundred sixty-seven thousand, seven hundred sixty-eight".