42041144417 has 2 divisors, whose sum is σ = 42041144418. Its totient is φ = 42041144416.

The previous prime is 42041144393. The next prime is 42041144423. The reversal of 42041144417 is 71444114024.

42041144417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40856132641 + 1185011776 = 202129^2 + 34424^2 .

It is a cyclic number.

It is not a de Polignac number, because 42041144417 - 2¹² = 42041140321 is a prime.

It is not a weakly prime, because it can be changed into another prime (42041144437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21020572208 + 21020572209.

It is an arithmetic number, because the mean of its divisors is an integer number (21020572209).

Almost surely, 2^42041144417 is an apocalyptic number.

It is an amenable number.

42041144417 is a deficient number, since it is larger than the sum of its proper divisors (1).

42041144417 is an equidigital number, since it uses as much as digits as its factorization.

42041144417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14336, while the sum is 32.

The spelling of 42041144417 in words is "forty-two billion, forty-one million, one hundred forty-four thousand, four hundred seventeen".