43396368149 has 2 divisors, whose sum is σ = 43396368150. Its totient is φ = 43396368148.

The previous prime is 43396368137. The next prime is 43396368193. The reversal of 43396368149 is 94186369334.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31570893124 + 11825475025 = 177682^2 + 108745^2 .

It is a cyclic number.

It is not a de Polignac number, because 43396368149 - 2⁸ = 43396367893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43396368094 and 43396368103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43396361149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21698184074 + 21698184075.

It is an arithmetic number, because the mean of its divisors is an integer number (21698184075).

Almost surely, 2^43396368149 is an apocalyptic number.

It is an amenable number.

43396368149 is a deficient number, since it is larger than the sum of its proper divisors (1).

43396368149 is an equidigital number, since it uses as much as digits as its factorization.

43396368149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10077696, while the sum is 56.

The spelling of 43396368149 in words is "forty-three billion, three hundred ninety-six million, three hundred sixty-eight thousand, one hundred forty-nine".