7944317789411 has 2 divisors, whose sum is σ = 7944317789412. Its totient is φ = 7944317789410.

The previous prime is 7944317789383. The next prime is 7944317789413. The reversal of 7944317789411 is 1149877134497.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7944317789411 is a prime.

It is a super-2 number, since 2×7944317789411² (a number of 27 digits) contains 22 as substring.

Together with 7944317789413, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7944317789413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3972158894705 + 3972158894706.

It is an arithmetic number, because the mean of its divisors is an integer number (3972158894706).

Almost surely, 2^{7944317789411} is an apocalyptic number.

7944317789411 is a deficient number, since it is larger than the sum of its proper divisors (1).

7944317789411 is an equidigital number, since it uses as much as digits as its factorization.

7944317789411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42674688, while the sum is 65.

The spelling of 7944317789411 in words is "seven trillion, nine hundred forty-four billion, three hundred seventeen million, seven hundred eighty-nine thousand, four hundred eleven".