202143220079 has 2 divisors, whose sum is σ = 202143220080. Its totient is φ = 202143220078.

The previous prime is 202143220073. The next prime is 202143220159. The reversal of 202143220079 is 970022341202.

202143220079 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202143220079 - 2⁸ = 202143219823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202143220073) 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, 101071610039 + 101071610040.

It is an arithmetic number, because the mean of its divisors is an integer number (101071610040).

Almost surely, 2^202143220079 is an apocalyptic number.

202143220079 is a deficient number, since it is larger than the sum of its proper divisors (1).

202143220079 is an equidigital number, since it uses as much as digits as its factorization.

202143220079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The spelling of 202143220079 in words is "two hundred two billion, one hundred forty-three million, two hundred twenty thousand, seventy-nine".