41220340421243 has 2 divisors, whose sum is σ = 41220340421244. Its totient is φ = 41220340421242.

The previous prime is 41220340421231. The next prime is 41220340421317. The reversal of 41220340421243 is 34212404302214.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41220340421243 - 2⁶ = 41220340421179 is a prime.

It is not a weakly prime, because it can be changed into another prime (41220340423243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20610170210621 + 20610170210622.

It is an arithmetic number, because the mean of its divisors is an integer number (20610170210622).

Almost surely, 2^{41220340421243} is an apocalyptic number.

41220340421243 is a deficient number, since it is larger than the sum of its proper divisors (1).

41220340421243 is an equidigital number, since it uses as much as digits as its factorization.

41220340421243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 41220340421243 its reverse (34212404302214), we get a palindrome (75432744723457).

The spelling of 41220340421243 in words is "forty-one trillion, two hundred twenty billion, three hundred forty million, four hundred twenty-one thousand, two hundred forty-three".