4688642008644 has 48 divisors (see below), whose sum is σ = 11942430427200. Its totient is φ = 1419883309440.

The previous prime is 4688642008643. The next prime is 4688642008663. The reversal of 4688642008644 is 4468002468864.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4688642008643) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 11260999 + ... + 11669934.

It is an arithmetic number, because the mean of its divisors is an integer number (248800633900).

Almost surely, 2^{4688642008644} is an apocalyptic number.

4688642008644 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4688642008644 is an abundant number, since it is smaller than the sum of its proper divisors (7253788418556).

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

4688642008644 is a wasteful number, since it uses less digits than its factorization.

4688642008644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22932500 (or 22932498 counting only the distinct ones).

The product of its (nonzero) digits is 56623104, while the sum is 60.

The spelling of 4688642008644 in words is "four trillion, six hundred eighty-eight billion, six hundred forty-two million, eight thousand, six hundred forty-four".