1017843768241 has 4 divisors (see below), whose sum is σ = 1019537352484. Its totient is φ = 1016150184000.

The previous prime is 1017843768223. The next prime is 1017843768247. The reversal of 1017843768241 is 1428673487101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 309048158241 + 708795610000 = 555921^2 + 841900^2 .

It is a cyclic number.

It is not a de Polignac number, because 1017843768241 - 2⁷ = 1017843768113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1017843768247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 846791220 + ... + 846792421.

It is an arithmetic number, because the mean of its divisors is an integer number (254884338121).

Almost surely, 2^{1017843768241} is an apocalyptic number.

It is an amenable number.

1017843768241 is a deficient number, since it is larger than the sum of its proper divisors (1693584243).

1017843768241 is an equidigital number, since it uses as much as digits as its factorization.

1017843768241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693584242.

The product of its (nonzero) digits is 1806336, while the sum is 52.

The spelling of 1017843768241 in words is "one trillion, seventeen billion, eight hundred forty-three million, seven hundred sixty-eight thousand, two hundred forty-one".