841185798913 has 2 divisors, whose sum is σ = 841185798914. Its totient is φ = 841185798912.

The previous prime is 841185798889. The next prime is 841185798931. The reversal of 841185798913 is 319897581148.

Together with next prime (841185798931) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 432394359489 + 408791439424 = 657567^2 + 639368^2 .

It is a cyclic number.

It is not a de Polignac number, because 841185798913 - 2³⁷ = 703746845441 is a prime.

It is not a weakly prime, because it can be changed into another prime (841185798613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 420592899456 + 420592899457.

It is an arithmetic number, because the mean of its divisors is an integer number (420592899457).

Almost surely, 2^841185798913 is an apocalyptic number.

It is an amenable number.

841185798913 is a deficient number, since it is larger than the sum of its proper divisors (1).

841185798913 is an equidigital number, since it uses as much as digits as its factorization.

841185798913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17418240, while the sum is 64.

The spelling of 841185798913 in words is "eight hundred forty-one billion, one hundred eighty-five million, seven hundred ninety-eight thousand, nine hundred thirteen".