205514413441 has 2 divisors, whose sum is σ = 205514413442. Its totient is φ = 205514413440.

The previous prime is 205514413439. The next prime is 205514413469. The reversal of 205514413441 is 144314415502.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 205372112400 + 142301041 = 453180^2 + 11929^2 .

It is a cyclic number.

It is not a de Polignac number, because 205514413441 - 2¹ = 205514413439 is a prime.

Together with 205514413439, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 205514413397 and 205514413406.

It is not a weakly prime, because it can be changed into another prime (205514417441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102757206720 + 102757206721.

It is an arithmetic number, because the mean of its divisors is an integer number (102757206721).

Almost surely, 2^205514413441 is an apocalyptic number.

It is an amenable number.

205514413441 is a deficient number, since it is larger than the sum of its proper divisors (1).

205514413441 is an equidigital number, since it uses as much as digits as its factorization.

205514413441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 205514413441 its reverse (144314415502), we get a palindrome (349828828943).

The spelling of 205514413441 in words is "two hundred five billion, five hundred fourteen million, four hundred thirteen thousand, four hundred forty-one".