201442301779 has 2 divisors, whose sum is σ = 201442301780. Its totient is φ = 201442301778.

The previous prime is 201442301729. The next prime is 201442301783. The reversal of 201442301779 is 977103244102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201442301779 - 2⁷ = 201442301651 is a prime.

It is not a weakly prime, because it can be changed into another prime (201442301729) 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, 100721150889 + 100721150890.

It is an arithmetic number, because the mean of its divisors is an integer number (100721150890).

Almost surely, 2^201442301779 is an apocalyptic number.

201442301779 is a deficient number, since it is larger than the sum of its proper divisors (1).

201442301779 is an equidigital number, since it uses as much as digits as its factorization.

201442301779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 40.

The spelling of 201442301779 in words is "two hundred one billion, four hundred forty-two million, three hundred one thousand, seven hundred seventy-nine".