4908921668 has 12 divisors (see below), whose sum is σ = 9817843392. Its totient is φ = 2103823560.

The previous prime is 4908921659. The next prime is 4908921673. The reversal of 4908921668 is 8661298094.

It is a happy number.

4908921668 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87659288 + ... + 87659343.

It is an arithmetic number, because the mean of its divisors is an integer number (818153616).

Almost surely, 2^4908921668 is an apocalyptic number.

It is an amenable number.

4908921668 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4908921668 is a wasteful number, since it uses less digits than its factorization.

4908921668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175318642 (or 175318640 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 53.

The square root of 4908921668 is about 70063.6972190306. The cubic root of 4908921668 is about 1699.5294739320.

The spelling of 4908921668 in words is "four billion, nine hundred eight million, nine hundred twenty-one thousand, six hundred sixty-eight".