413242040242261 has 2 divisors, whose sum is σ = 413242040242262. Its totient is φ = 413242040242260.

The previous prime is 413242040242253. The next prime is 413242040242337. The reversal of 413242040242261 is 162242040242314.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 378107791660036 + 35134248582225 = 19444994^2 + 5927415^2 .

It is a cyclic number.

It is not a de Polignac number, because 413242040242261 - 2³ = 413242040242253 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 413242040242261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (413242040222261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206621020121130 + 206621020121131.

It is an arithmetic number, because the mean of its divisors is an integer number (206621020121131).

Almost surely, 2^{413242040242261} is an apocalyptic number.

It is an amenable number.

413242040242261 is a deficient number, since it is larger than the sum of its proper divisors (1).

413242040242261 is an equidigital number, since it uses as much as digits as its factorization.

413242040242261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 147456, while the sum is 37.

Adding to 413242040242261 its reverse (162242040242314), we get a palindrome (575484080484575).

The spelling of 413242040242261 in words is "four hundred thirteen trillion, two hundred forty-two billion, forty million, two hundred forty-two thousand, two hundred sixty-one".