30638284794 has 36 divisors (see below), whose sum is σ = 71882136846. Its totient is φ = 9427163616.

The previous prime is 30638284783. The next prime is 30638284841. The reversal of 30638284794 is 49748283603.

30638284794 is a `hidden beast` number, since 30 + 63 + 82 + 8 + 479 + 4 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 5622750225 + 25015534569 = 74985^2 + 158163^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30638284794.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5032837 + ... + 5038920.

Almost surely, 2^30638284794 is an apocalyptic number.

30638284794 is an abundant number, since it is smaller than the sum of its proper divisors (41243852052).

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

30638284794 is a wasteful number, since it uses less digits than its factorization.

30638284794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10071791 (or 10071775 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 54.

The spelling of 30638284794 in words is "thirty billion, six hundred thirty-eight million, two hundred eighty-four thousand, seven hundred ninety-four".