43849696879 has 2 divisors, whose sum is σ = 43849696880. Its totient is φ = 43849696878.

The previous prime is 43849696853. The next prime is 43849696927. The reversal of 43849696879 is 97869694834.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43849696879 - 2¹⁷ = 43849565807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43849696279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21924848439 + 21924848440.

It is an arithmetic number, because the mean of its divisors is an integer number (21924848440).

Almost surely, 2^43849696879 is an apocalyptic number.

43849696879 is a deficient number, since it is larger than the sum of its proper divisors (1).

43849696879 is an equidigital number, since it uses as much as digits as its factorization.

43849696879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 564350976, while the sum is 73.

The spelling of 43849696879 in words is "forty-three billion, eight hundred forty-nine million, six hundred ninety-six thousand, eight hundred seventy-nine".