9421168741969 has 2 divisors, whose sum is σ = 9421168741970. Its totient is φ = 9421168741968.

The previous prime is 9421168741951. The next prime is 9421168742023. The reversal of 9421168741969 is 9691478611249.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5730589638225 + 3690579103744 = 2393865^2 + 1921088^2 .

It is an emirp because it is prime and its reverse (9691478611249) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9421168741969 - 2²³ = 9421160353361 is a prime.

It is a super-2 number, since 2×9421168741969² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9421168741069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4710584370984 + 4710584370985.

It is an arithmetic number, because the mean of its divisors is an integer number (4710584370985).

Almost surely, 2^{9421168741969} is an apocalyptic number.

It is an amenable number.

9421168741969 is a deficient number, since it is larger than the sum of its proper divisors (1).

9421168741969 is an equidigital number, since it uses as much as digits as its factorization.

9421168741969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47029248, while the sum is 67.

The spelling of 9421168741969 in words is "nine trillion, four hundred twenty-one billion, one hundred sixty-eight million, seven hundred forty-one thousand, nine hundred sixty-nine".