6396633197892 has 72 divisors (see below), whose sum is σ = 19116375096000. Its totient is φ = 1764588466368.

The previous prime is 6396633197879. The next prime is 6396633197909. The reversal of 6396633197892 is 2987913366936.

It is a happy number.

6396633197892 is a `hidden beast` number, since 6 + 396 + 63 + 3 + 1 + 97 + 8 + 92 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 6396633197892.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 437638642 + ... + 437653257.

Almost surely, 2^{6396633197892} is an apocalyptic number.

It is an amenable number.

6396633197892 is an abundant number, since it is smaller than the sum of its proper divisors (12719741898108).

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

6396633197892 is a wasteful number, since it uses less digits than its factorization.

6396633197892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875291945 (or 875291940 counting only the distinct ones).

The product of its digits is 476171136, while the sum is 72.

The spelling of 6396633197892 in words is "six trillion, three hundred ninety-six billion, six hundred thirty-three million, one hundred ninety-seven thousand, eight hundred ninety-two".