43342999979 has 2 divisors, whose sum is σ = 43342999980. Its totient is φ = 43342999978.

The previous prime is 43342999969. The next prime is 43343000023. The reversal of 43342999979 is 97999924334.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43342999979 is a prime.

It is not a weakly prime, because it can be changed into another prime (43342999969) 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, 21671499989 + 21671499990.

It is an arithmetic number, because the mean of its divisors is an integer number (21671499990).

Almost surely, 2^43342999979 is an apocalyptic number.

43342999979 is a deficient number, since it is larger than the sum of its proper divisors (1).

43342999979 is an equidigital number, since it uses as much as digits as its factorization.

43342999979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 119042784, while the sum is 68.

The spelling of 43342999979 in words is "forty-three billion, three hundred forty-two million, nine hundred ninety-nine thousand, nine hundred seventy-nine".