4909698128 has 80 divisors (see below), whose sum is σ = 10287841536. Its totient is φ = 2263726080.

The previous prime is 4909698127. The next prime is 4909698133. The reversal of 4909698128 is 8218969094.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4909698127) 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, 1537013 + ... + 1540203.

Almost surely, 2^4909698128 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 4909698128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5143920768).

4909698128 is an abundant number, since it is smaller than the sum of its proper divisors (5378143408).

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

4909698128 is a wasteful number, since it uses less digits than its factorization.

4909698128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3372 (or 3366 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 56.

The square root of 4909698128 is about 70069.2381006102. The cubic root of 4909698128 is about 1699.6190758972.

The spelling of 4909698128 in words is "four billion, nine hundred nine million, six hundred ninety-eight thousand, one hundred twenty-eight".