43668404359 has 2 divisors, whose sum is σ = 43668404360. Its totient is φ = 43668404358.

The previous prime is 43668404347. The next prime is 43668404369. The reversal of 43668404359 is 95340486634.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43668404359 - 2¹¹ = 43668402311 is a prime.

It is a super-2 number, since 2×43668404359² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43668404369) 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, 21834202179 + 21834202180.

It is an arithmetic number, because the mean of its divisors is an integer number (21834202180).

Almost surely, 2^43668404359 is an apocalyptic number.

43668404359 is a deficient number, since it is larger than the sum of its proper divisors (1).

43668404359 is an equidigital number, since it uses as much as digits as its factorization.

43668404359 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 52.

The spelling of 43668404359 in words is "forty-three billion, six hundred sixty-eight million, four hundred four thousand, three hundred fifty-nine".