43226398373 has 2 divisors, whose sum is σ = 43226398374. Its totient is φ = 43226398372.

The previous prime is 43226398367. The next prime is 43226398429. The reversal of 43226398373 is 37389362234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40045212769 + 3181185604 = 200113^2 + 56402^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43226398373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43226398363) 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, 21613199186 + 21613199187.

It is an arithmetic number, because the mean of its divisors is an integer number (21613199187).

Almost surely, 2^43226398373 is an apocalyptic number.

It is an amenable number.

43226398373 is a deficient number, since it is larger than the sum of its proper divisors (1).

43226398373 is an equidigital number, since it uses as much as digits as its factorization.

43226398373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3919104, while the sum is 50.

The spelling of 43226398373 in words is "forty-three billion, two hundred twenty-six million, three hundred ninety-eight thousand, three hundred seventy-three".