201442001249 has 2 divisors, whose sum is σ = 201442001250. Its totient is φ = 201442001248.

The previous prime is 201442001221. The next prime is 201442001251. The reversal of 201442001249 is 942100244102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 179379355024 + 22062646225 = 423532^2 + 148535^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201442001249 is a prime.

Together with 201442001251, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (201442001149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100721000624 + 100721000625.

It is an arithmetic number, because the mean of its divisors is an integer number (100721000625).

Almost surely, 2^201442001249 is an apocalyptic number.

It is an amenable number.

201442001249 is a deficient number, since it is larger than the sum of its proper divisors (1).

201442001249 is an equidigital number, since it uses as much as digits as its factorization.

201442001249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 201442001249 in words is "two hundred one billion, four hundred forty-two million, one thousand, two hundred forty-nine".