9386728361 has 2 divisors, whose sum is σ = 9386728362. Its totient is φ = 9386728360.

The previous prime is 9386728277. The next prime is 9386728363. The reversal of 9386728361 is 1638276839.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9268875625 + 117852736 = 96275^2 + 10856^2 .

It is an emirp because it is prime and its reverse (1638276839) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9386728361 - 2¹⁴ = 9386711977 is a prime.

It is a super-2 number, since 2×9386728361² (a number of 21 digits) contains 22 as substring.

Together with 9386728363, 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 (9386728363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4693364180 + 4693364181.

It is an arithmetic number, because the mean of its divisors is an integer number (4693364181).

Almost surely, 2^9386728361 is an apocalyptic number.

It is an amenable number.

9386728361 is a deficient number, since it is larger than the sum of its proper divisors (1).

9386728361 is an equidigital number, since it uses as much as digits as its factorization.

9386728361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2612736, while the sum is 53.

The square root of 9386728361 is about 96885.1297207162. The cubic root of 9386728361 is about 2109.4605930820.

The spelling of 9386728361 in words is "nine billion, three hundred eighty-six million, seven hundred twenty-eight thousand, three hundred sixty-one".