6397063965 has 16 divisors (see below), whose sum is σ = 11372558400. Its totient is φ = 3411767376.

The previous prime is 6397063957. The next prime is 6397063969. The reversal of 6397063965 is 5693607936.

It is a happy number.

It is not a de Polignac number, because 6397063965 - 2³ = 6397063957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6397063969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23692695 + ... + 23692964.

It is an arithmetic number, because the mean of its divisors is an integer number (710784900).

Almost surely, 2^6397063965 is an apocalyptic number.

It is an amenable number.

6397063965 is a deficient number, since it is larger than the sum of its proper divisors (4975494435).

6397063965 is a wasteful number, since it uses less digits than its factorization.

6397063965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47385673 (or 47385667 counting only the distinct ones).

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

The square root of 6397063965 is about 79981.6476762013. The cubic root of 6397063965 is about 1856.3515761169.

The spelling of 6397063965 in words is "six billion, three hundred ninety-seven million, sixty-three thousand, nine hundred sixty-five".