4908121816 has 64 divisors (see below), whose sum is σ = 10691805600. Its totient is φ = 2091767808.

The previous prime is 4908121811. The next prime is 4908121847. The reversal of 4908121816 is 6181218094.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4908121811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67515 + ... + 119893.

Almost surely, 2^4908121816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4908121816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5345902800).

4908121816 is an abundant number, since it is smaller than the sum of its proper divisors (5783683784).

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

4908121816 is a wasteful number, since it uses less digits than its factorization.

4908121816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52468 (or 52464 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 40.

The square root of 4908121816 is about 70057.9889520103. The cubic root of 4908121816 is about 1699.4371626956.

The spelling of 4908121816 in words is "four billion, nine hundred eight million, one hundred twenty-one thousand, eight hundred sixteen".