43849775384 has 16 divisors (see below), whose sum is σ = 87054701400. Its totient is φ = 20635188352.

The previous prime is 43849775383. The next prime is 43849775393. The reversal of 43849775384 is 48357794834.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43849775383) 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 in 3 ways as a sum of consecutive naturals, for example, 161212274 + ... + 161212545.

Almost surely, 2^43849775384 is an apocalyptic number.

It is an amenable number.

43849775384 is a deficient number, since it is larger than the sum of its proper divisors (43204926016).

43849775384 is a wasteful number, since it uses less digits than its factorization.

43849775384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322424842 (or 322424838 counting only the distinct ones).

The product of its digits is 81285120, while the sum is 62.

The spelling of 43849775384 in words is "forty-three billion, eight hundred forty-nine million, seven hundred seventy-five thousand, three hundred eighty-four".