9385121741 has 2 divisors, whose sum is σ = 9385121742. Its totient is φ = 9385121740.

The previous prime is 9385121717. The next prime is 9385121747. The reversal of 9385121741 is 1471215839.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9240015625 + 145106116 = 96125^2 + 12046^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9385121741 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9385121747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4692560870 + 4692560871.

It is an arithmetic number, because the mean of its divisors is an integer number (4692560871).

Almost surely, 2^9385121741 is an apocalyptic number.

It is an amenable number.

9385121741 is a deficient number, since it is larger than the sum of its proper divisors (1).

9385121741 is an equidigital number, since it uses as much as digits as its factorization.

9385121741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 41.

The square root of 9385121741 is about 96876.8380006284. The cubic root of 9385121741 is about 2109.3402353875.

The spelling of 9385121741 in words is "nine billion, three hundred eighty-five million, one hundred twenty-one thousand, seven hundred forty-one".