32043944393 has 2 divisors, whose sum is σ = 32043944394. Its totient is φ = 32043944392.

The previous prime is 32043944389. The next prime is 32043944407. The reversal of 32043944393 is 39344934023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22562443264 + 9481501129 = 150208^2 + 97373^2 .

It is a cyclic number.

It is not a de Polignac number, because 32043944393 - 2² = 32043944389 is a prime.

It is a super-2 number, since 2×32043944393² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (32043944363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16021972196 + 16021972197.

It is an arithmetic number, because the mean of its divisors is an integer number (16021972197).

Almost surely, 2^32043944393 is an apocalyptic number.

It is an amenable number.

32043944393 is a deficient number, since it is larger than the sum of its proper divisors (1).

32043944393 is an equidigital number, since it uses as much as digits as its factorization.

32043944393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 839808, while the sum is 44.

The spelling of 32043944393 in words is "thirty-two billion, forty-three million, nine hundred forty-four thousand, three hundred ninety-three".