43021243622678 has 4 divisors (see below), whose sum is σ = 64531865434020. Its totient is φ = 21510621811338.

The previous prime is 43021243622579. The next prime is 43021243622701. The reversal of 43021243622678 is 87622634212034.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10755310905668 + ... + 10755310905671.

It is an arithmetic number, because the mean of its divisors is an integer number (16132966358505).

Almost surely, 2^{43021243622678} is an apocalyptic number.

43021243622678 is a deficient number, since it is larger than the sum of its proper divisors (21510621811342).

43021243622678 is a wasteful number, since it uses less digits than its factorization.

43021243622678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21510621811341.

The product of its (nonzero) digits is 4644864, while the sum is 50.

The spelling of 43021243622678 in words is "forty-three trillion, twenty-one billion, two hundred forty-three million, six hundred twenty-two thousand, six hundred seventy-eight".