30949849908 has 72 divisors (see below), whose sum is σ = 81157265280. Its totient is φ = 9937549440.

The previous prime is 30949849859. The next prime is 30949849921. The reversal of 30949849908 is 80994894903.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16110 + ... + 249317.

It is an arithmetic number, because the mean of its divisors is an integer number (1127184240).

Almost surely, 2^30949849908 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 30949849908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40578632640).

30949849908 is an abundant number, since it is smaller than the sum of its proper divisors (50207415372).

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

30949849908 is a wasteful number, since it uses less digits than its factorization.

30949849908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265557 (or 265552 counting only the distinct ones).

The product of its (nonzero) digits is 20155392, while the sum is 63.

The spelling of 30949849908 in words is "thirty billion, nine hundred forty-nine million, eight hundred forty-nine thousand, nine hundred eight".