43413104261 has 2 divisors, whose sum is σ = 43413104262. Its totient is φ = 43413104260.

The previous prime is 43413104257. The next prime is 43413104263. The reversal of 43413104261 is 16240131434.

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., 41783448100 + 1629656161 = 204410^2 + 40369^2 .

It is a cyclic number.

It is not a de Polignac number, because 43413104261 - 2² = 43413104257 is a prime.

It is a super-2 number, since 2×43413104261² (a number of 22 digits) contains 22 as substring.

Together with 43413104263, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43413104263) 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, 21706552130 + 21706552131.

It is an arithmetic number, because the mean of its divisors is an integer number (21706552131).

Almost surely, 2^43413104261 is an apocalyptic number.

It is an amenable number.

43413104261 is a deficient number, since it is larger than the sum of its proper divisors (1).

43413104261 is an equidigital number, since it uses as much as digits as its factorization.

43413104261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 43413104261 its reverse (16240131434), we get a palindrome (59653235695).

The spelling of 43413104261 in words is "forty-three billion, four hundred thirteen million, one hundred four thousand, two hundred sixty-one".