43932508849 has 2 divisors, whose sum is σ = 43932508850. Its totient is φ = 43932508848.

The previous prime is 43932508847. The next prime is 43932508933. The reversal of 43932508849 is 94880523934.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35700213025 + 8232295824 = 188945^2 + 90732^2 .

It is a cyclic number.

It is not a de Polignac number, because 43932508849 - 2¹ = 43932508847 is a prime.

Together with 43932508847, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 43932508849.

It is not a weakly prime, because it can be changed into another prime (43932508847) 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, 21966254424 + 21966254425.

It is an arithmetic number, because the mean of its divisors is an integer number (21966254425).

Almost surely, 2^43932508849 is an apocalyptic number.

It is an amenable number.

43932508849 is a deficient number, since it is larger than the sum of its proper divisors (1).

43932508849 is an equidigital number, since it uses as much as digits as its factorization.

43932508849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7464960, while the sum is 55.

The spelling of 43932508849 in words is "forty-three billion, nine hundred thirty-two million, five hundred eight thousand, eight hundred forty-nine".