68424803636 has 36 divisors (see below), whose sum is σ = 139308277248. Its totient is φ = 29321773488.

The previous prime is 68424803611. The next prime is 68424803687. The reversal of 68424803636 is 63630842486.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3484301 + ... + 3503883.

It is an arithmetic number, because the mean of its divisors is an integer number (3869674368).

Almost surely, 2^68424803636 is an apocalyptic number.

It is an amenable number.

68424803636 is an abundant number, since it is smaller than the sum of its proper divisors (70883473612).

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

68424803636 is a wasteful number, since it uses less digits than its factorization.

68424803636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37428 (or 37419 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 50.

The spelling of 68424803636 in words is "sixty-eight billion, four hundred twenty-four million, eight hundred three thousand, six hundred thirty-six".