6399162963 has 12 divisors (see below), whose sum is σ = 9243943800. Its totient is φ = 4265781696.

The previous prime is 6399162911. The next prime is 6399162989. The reversal of 6399162963 is 3692619936.

6399162963 is a `hidden beast` number, since 6 + 3 + 9 + 9 + 1 + 629 + 6 + 3 = 666.

It is not a de Polignac number, because 6399162963 - 2¹² = 6399158867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6399162463) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 178420 + ... + 211262.

It is an arithmetic number, because the mean of its divisors is an integer number (770328650).

Almost surely, 2^6399162963 is an apocalyptic number.

6399162963 is a deficient number, since it is larger than the sum of its proper divisors (2844780837).

6399162963 is a wasteful number, since it uses less digits than its factorization.

6399162963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54498 (or 54495 counting only the distinct ones).

The product of its digits is 2834352, while the sum is 54.

The square root of 6399162963 is about 79994.7683476863. The cubic root of 6399162963 is about 1856.5545886330.

The spelling of 6399162963 in words is "six billion, three hundred ninety-nine million, one hundred sixty-two thousand, nine hundred sixty-three".