201044426017 has 2 divisors, whose sum is σ = 201044426018. Its totient is φ = 201044426016.

The previous prime is 201044425997. The next prime is 201044426027. The reversal of 201044426017 is 710624440102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124523588641 + 76520837376 = 352879^2 + 276624^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201044426017 is a prime.

It is a super-2 number, since 2×201044426017² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 201044426017.

It is not a weakly prime, because it can be changed into another prime (201044426027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100522213008 + 100522213009.

It is an arithmetic number, because the mean of its divisors is an integer number (100522213009).

Almost surely, 2^201044426017 is an apocalyptic number.

It is an amenable number.

201044426017 is a deficient number, since it is larger than the sum of its proper divisors (1).

201044426017 is an equidigital number, since it uses as much as digits as its factorization.

201044426017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 31.

Adding to 201044426017 its reverse (710624440102), we get a palindrome (911668866119).

The spelling of 201044426017 in words is "two hundred one billion, forty-four million, four hundred twenty-six thousand, seventeen".