842265447041 has 2 divisors, whose sum is σ = 842265447042. Its totient is φ = 842265447040.

The previous prime is 842265447031. The next prime is 842265447073. The reversal of 842265447041 is 140744562248.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 725697830641 + 116567616400 = 851879^2 + 341420^2 .

It is a cyclic number.

It is not a de Polignac number, because 842265447041 - 2⁶ = 842265446977 is a prime.

It is a super-2 number, since 2×842265447041² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (842265447031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421132723520 + 421132723521.

It is an arithmetic number, because the mean of its divisors is an integer number (421132723521).

Almost surely, 2^842265447041 is an apocalyptic number.

It is an amenable number.

842265447041 is a deficient number, since it is larger than the sum of its proper divisors (1).

842265447041 is an equidigital number, since it uses as much as digits as its factorization.

842265447041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1720320, while the sum is 47.

The spelling of 842265447041 in words is "eight hundred forty-two billion, two hundred sixty-five million, four hundred forty-seven thousand, forty-one".