201044442413 has 2 divisors, whose sum is σ = 201044442414. Its totient is φ = 201044442412.

The previous prime is 201044442371. The next prime is 201044442421. The reversal of 201044442413 is 314244440102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 155963386084 + 45081056329 = 394922^2 + 212323^2 .

It is a cyclic number.

It is not a de Polignac number, because 201044442413 - 2²² = 201040248109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201044442433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100522221206 + 100522221207.

It is an arithmetic number, because the mean of its divisors is an integer number (100522221207).

Almost surely, 2^201044442413 is an apocalyptic number.

It is an amenable number.

201044442413 is a deficient number, since it is larger than the sum of its proper divisors (1).

201044442413 is an equidigital number, since it uses as much as digits as its factorization.

201044442413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 201044442413 its reverse (314244440102), we get a palindrome (515288882515).

The spelling of 201044442413 in words is "two hundred one billion, forty-four million, four hundred forty-two thousand, four hundred thirteen".