43424733131987 has 8 divisors (see below), whose sum is σ = 43540328203680. Its totient is φ = 43309184022720.

The previous prime is 43424733131959. The next prime is 43424733131993. The reversal of 43424733131987 is 78913133742434.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43424733131987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43424733131587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9598103 + ... + 13378080.

It is an arithmetic number, because the mean of its divisors is an integer number (5442541025460).

Almost surely, 2^{43424733131987} is an apocalyptic number.

43424733131987 is a deficient number, since it is larger than the sum of its proper divisors (115595071693).

43424733131987 is a wasteful number, since it uses less digits than its factorization.

43424733131987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22981213.

The product of its digits is 36578304, while the sum is 59.

The spelling of 43424733131987 in words is "forty-three trillion, four hundred twenty-four billion, seven hundred thirty-three million, one hundred thirty-one thousand, nine hundred eighty-seven".