1916992548041 has 2 divisors, whose sum is σ = 1916992548042. Its totient is φ = 1916992548040.

The previous prime is 1916992548017. The next prime is 1916992548089. The reversal of 1916992548041 is 1408452996191.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1916992548025 + 16 = 1384555^2 + 4^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1916992548041 is a prime.

It is not a weakly prime, because it can be changed into another prime (1916992548941) 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, 958496274020 + 958496274021.

It is an arithmetic number, because the mean of its divisors is an integer number (958496274021).

Almost surely, 2^{1916992548041} is an apocalyptic number.

It is an amenable number.

1916992548041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1916992548041 is an equidigital number, since it uses as much as digits as its factorization.

1916992548041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5598720, while the sum is 59.

The spelling of 1916992548041 in words is "one trillion, nine hundred sixteen billion, nine hundred ninety-two million, five hundred forty-eight thousand, forty-one".