41401069261 has 2 divisors, whose sum is σ = 41401069262. Its totient is φ = 41401069260.

The previous prime is 41401069163. The next prime is 41401069309. The reversal of 41401069261 is 16296010414.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41334956100 + 66113161 = 203310^2 + 8131^2 .

It is a cyclic number.

It is not a de Polignac number, because 41401069261 - 2⁷ = 41401069133 is a prime.

It is a super-2 number, since 2×41401069261² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41401469261) 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, 20700534630 + 20700534631.

It is an arithmetic number, because the mean of its divisors is an integer number (20700534631).

Almost surely, 2^41401069261 is an apocalyptic number.

It is an amenable number.

41401069261 is a deficient number, since it is larger than the sum of its proper divisors (1).

41401069261 is an equidigital number, since it uses as much as digits as its factorization.

41401069261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 34.

Adding to 41401069261 its reverse (16296010414), we get a palindrome (57697079675).

The spelling of 41401069261 in words is "forty-one billion, four hundred one million, sixty-nine thousand, two hundred sixty-one".