1916992548017 has 2 divisors, whose sum is σ = 1916992548018. Its totient is φ = 1916992548016.

The previous prime is 1916992548013. The next prime is 1916992548041. The reversal of 1916992548017 is 7108452996191.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1253808709696 + 663183838321 = 1119736^2 + 814361^2 .

It is a cyclic number.

It is not a de Polignac number, because 1916992548017 - 2² = 1916992548013 is a prime.

It is not a weakly prime, because it can be changed into another prime (1916992548013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 958496274008 + 958496274009.

It is an arithmetic number, because the mean of its divisors is an integer number (958496274009).

Almost surely, 2^{1916992548017} is an apocalyptic number.

It is an amenable number.

1916992548017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1916992548017 is an equidigital number, since it uses as much as digits as its factorization.

1916992548017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9797760, while the sum is 62.

The spelling of 1916992548017 in words is "one trillion, nine hundred sixteen billion, nine hundred ninety-two million, five hundred forty-eight thousand, seventeen".