68633198495 has 32 divisors (see below), whose sum is σ = 89548800000. Its totient is φ = 50306365440.

The previous prime is 68633198489. The next prime is 68633198497. The reversal of 68633198495 is 59489133686.

It is a de Polignac number, because none of the positive numbers 2^k-68633198495 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68633198497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5173631 + ... + 5186879.

It is an arithmetic number, because the mean of its divisors is an integer number (2798400000).

Almost surely, 2^68633198495 is an apocalyptic number.

68633198495 is a deficient number, since it is larger than the sum of its proper divisors (20915601505).

68633198495 is a wasteful number, since it uses less digits than its factorization.

68633198495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15063.

The product of its digits is 33592320, while the sum is 62.

The spelling of 68633198495 in words is "sixty-eight billion, six hundred thirty-three million, one hundred ninety-eight thousand, four hundred ninety-five".