43641949982 has 8 divisors (see below), whose sum is σ = 65699254056. Its totient is φ = 21742198632.

The previous prime is 43641949973. The next prime is 43641949991. The reversal of 43641949982 is 28994914634.

It is an interprime number because it is at equal distance from previous prime (43641949973) and next prime (43641949991).

It is a sphenic number, since it is the product of 3 distinct primes.

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, 39387488 + ... + 39388595.

It is an arithmetic number, because the mean of its divisors is an integer number (8212406757).

Almost surely, 2^43641949982 is an apocalyptic number.

43641949982 is a deficient number, since it is larger than the sum of its proper divisors (22057304074).

43641949982 is a wasteful number, since it uses less digits than its factorization.

43641949982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78776362.

The product of its digits is 13436928, while the sum is 59.

The spelling of 43641949982 in words is "forty-three billion, six hundred forty-one million, nine hundred forty-nine thousand, nine hundred eighty-two".