30298933386 has 160 divisors (see below), whose sum is σ = 70834664208. Its totient is φ = 9674588160.

The previous prime is 30298933361. The next prime is 30298933393. The reversal of 30298933386 is 68333989203.

30298933386 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 2152496025 + 28146437361 = 46395^2 + 167769^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 69974226 + ... + 69974658.

Almost surely, 2^30298933386 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30298933386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35417332104).

30298933386 is an abundant number, since it is smaller than the sum of its proper divisors (40535730822).

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

30298933386 is a wasteful number, since it uses less digits than its factorization.

30298933386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678 (or 669 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 54.

The spelling of 30298933386 in words is "thirty billion, two hundred ninety-eight million, nine hundred thirty-three thousand, three hundred eighty-six".