9421168741913 has 2 divisors, whose sum is σ = 9421168741914. Its totient is φ = 9421168741912.

The previous prime is 9421168741801. The next prime is 9421168741931. The reversal of 9421168741913 is 3191478611249.

Together with next prime (9421168741931) 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., 7151816306944 + 2269352434969 = 2674288^2 + 1506437^2 .

It is a cyclic number.

It is not a de Polignac number, because 9421168741913 - 2¹⁶ = 9421168676377 is a prime.

It is not a weakly prime, because it can be changed into another prime (9421168741013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4710584370956 + 4710584370957.

It is an arithmetic number, because the mean of its divisors is an integer number (4710584370957).

Almost surely, 2^{9421168741913} is an apocalyptic number.

It is an amenable number.

9421168741913 is a deficient number, since it is larger than the sum of its proper divisors (1).

9421168741913 is an equidigital number, since it uses as much as digits as its factorization.

9421168741913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2612736, while the sum is 56.

The spelling of 9421168741913 in words is "nine trillion, four hundred twenty-one billion, one hundred sixty-eight million, seven hundred forty-one thousand, nine hundred thirteen".