1017348984991 has 2 divisors, whose sum is σ = 1017348984992. Its totient is φ = 1017348984990.

The previous prime is 1017348984947. The next prime is 1017348985049. The reversal of 1017348984991 is 1994898437101.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (1994898437101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1017348984991 - 2⁹ = 1017348984479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1017348984931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 508674492495 + 508674492496.

It is an arithmetic number, because the mean of its divisors is an integer number (508674492496).

Almost surely, 2^{1017348984991} is an apocalyptic number.

1017348984991 is a deficient number, since it is larger than the sum of its proper divisors (1).

1017348984991 is an equidigital number, since it uses as much as digits as its factorization.

1017348984991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15676416, while the sum is 64.

The spelling of 1017348984991 in words is "one trillion, seventeen billion, three hundred forty-eight million, nine hundred eighty-four thousand, nine hundred ninety-one".