39996222043 has 2 divisors, whose sum is σ = 39996222044. Its totient is φ = 39996222042.

The previous prime is 39996222037. The next prime is 39996222067. The reversal of 39996222043 is 34022269993.

It is a weak prime.

It is an emirp because it is prime and its reverse (34022269993) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39996222043 is a prime.

It is not a weakly prime, because it can be changed into another prime (39996222743) 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, 19998111021 + 19998111022.

It is an arithmetic number, because the mean of its divisors is an integer number (19998111022).

Almost surely, 2^39996222043 is an apocalyptic number.

39996222043 is a deficient number, since it is larger than the sum of its proper divisors (1).

39996222043 is an equidigital number, since it uses as much as digits as its factorization.

39996222043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1259712, while the sum is 49.

The spelling of 39996222043 in words is "thirty-nine billion, nine hundred ninety-six million, two hundred twenty-two thousand, forty-three".