43191055022 has 4 divisors (see below), whose sum is σ = 64786582536. Its totient is φ = 21595527510.

The previous prime is 43191055021. The next prime is 43191055069. The reversal of 43191055022 is 22055019134.

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

It is a self number, because there is not a number n which added to its sum of digits gives 43191055022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43191055021) by changing a digit.

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 as a sum of consecutive naturals, namely, 10797763754 + ... + 10797763757.

It is an arithmetic number, because the mean of its divisors is an integer number (16196645634).

Almost surely, 2^43191055022 is an apocalyptic number.

43191055022 is a deficient number, since it is larger than the sum of its proper divisors (21595527514).

43191055022 is a wasteful number, since it uses less digits than its factorization.

43191055022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21595527513.

The product of its (nonzero) digits is 10800, while the sum is 32.

The spelling of 43191055022 in words is "forty-three billion, one hundred ninety-one million, fifty-five thousand, twenty-two".