6393697065 has 32 divisors (see below), whose sum is σ = 12990370560. Its totient is φ = 2922832512.

The previous prime is 6393697007. The next prime is 6393697081. The reversal of 6393697065 is 5607963936.

It is a happy number.

It is not a de Polignac number, because 6393697065 - 2⁹ = 6393696553 is a prime.

It is a super-2 number, since 2×6393697065² = 81758724317979228450, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3381964 + ... + 3383853.

It is an arithmetic number, because the mean of its divisors is an integer number (405949080).

Almost surely, 2^6393697065 is an apocalyptic number.

It is an amenable number.

6393697065 is an abundant number, since it is smaller than the sum of its proper divisors (6596673495).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6393697065 is a wasteful number, since it uses less digits than its factorization.

6393697065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6765838 (or 6765832 counting only the distinct ones).

The product of its (nonzero) digits is 5511240, while the sum is 54.

The square root of 6393697065 is about 79960.5969524990. The cubic root of 6393697065 is about 1856.0258409045.

The spelling of 6393697065 in words is "six billion, three hundred ninety-three million, six hundred ninety-seven thousand, sixty-five".