6393397369 has 2 divisors, whose sum is σ = 6393397370. Its totient is φ = 6393397368.

The previous prime is 6393397327. The next prime is 6393397379. The reversal of 6393397369 is 9637933936.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5550250000 + 843147369 = 74500^2 + 29037^2 .

It is a cyclic number.

It is not a de Polignac number, because 6393397369 - 2¹¹ = 6393395321 is a prime.

It is a super-2 number, since 2×6393397369² = 81751059835872244322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6393397319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3196698684 + 3196698685.

It is an arithmetic number, because the mean of its divisors is an integer number (3196698685).

Almost surely, 2^6393397369 is an apocalyptic number.

It is an amenable number.

6393397369 is a deficient number, since it is larger than the sum of its proper divisors (1).

6393397369 is an equidigital number, since it uses as much as digits as its factorization.

6393397369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14880348, while the sum is 58.

The square root of 6393397369 is about 79958.7229075102. The cubic root of 6393397369 is about 1855.9968408749.

The spelling of 6393397369 in words is "six billion, three hundred ninety-three million, three hundred ninety-seven thousand, three hundred sixty-nine".