201613440577 has 2 divisors, whose sum is σ = 201613440578. Its totient is φ = 201613440576.

The previous prime is 201613440541. The next prime is 201613440583. The reversal of 201613440577 is 775044316102.

201613440577 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 201422337601 + 191102976 = 448801^2 + 13824^2 .

It is a cyclic number.

It is not a de Polignac number, because 201613440577 - 2⁷ = 201613440449 is a prime.

It is not a weakly prime, because it can be changed into another prime (201613444577) 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, 100806720288 + 100806720289.

It is an arithmetic number, because the mean of its divisors is an integer number (100806720289).

Almost surely, 2^201613440577 is an apocalyptic number.

It is an amenable number.

201613440577 is a deficient number, since it is larger than the sum of its proper divisors (1).

201613440577 is an equidigital number, since it uses as much as digits as its factorization.

201613440577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 40.

Adding to 201613440577 its reverse (775044316102), we get a palindrome (976657756679).

The spelling of 201613440577 in words is "two hundred one billion, six hundred thirteen million, four hundred forty thousand, five hundred seventy-seven".