30675299868 has 144 divisors (see below), whose sum is σ = 82791072000. Its totient is φ = 9543235584.

The previous prime is 30675299839. The next prime is 30675299947. The reversal of 30675299868 is 86899257603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 64040053 + ... + 64040531.

It is an arithmetic number, because the mean of its divisors is an integer number (574938000).

Almost surely, 2^30675299868 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 30675299868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41395536000).

30675299868 is an abundant number, since it is smaller than the sum of its proper divisors (52115772132).

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

30675299868 is a wasteful number, since it uses less digits than its factorization.

30675299868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164 (or 1159 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 63.

The spelling of 30675299868 in words is "thirty billion, six hundred seventy-five million, two hundred ninety-nine thousand, eight hundred sixty-eight".