30228892929 has 20 divisors (see below), whose sum is σ = 45385987284. Its totient is φ = 20050287264.

The previous prime is 30228892921. The next prime is 30228892943. The reversal of 30228892929 is 92929882203.

It can be written as a sum of positive squares in 2 ways, for example, as 25224745329 + 5004147600 = 158823^2 + 70740^2 .

It is not a de Polignac number, because 30228892929 - 2³ = 30228892921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30228892921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 931242 + ... + 963155.

Almost surely, 2^30228892929 is an apocalyptic number.

It is an amenable number.

30228892929 is a deficient number, since it is larger than the sum of its proper divisors (15157094355).

30228892929 is a wasteful number, since it uses less digits than its factorization.

30228892929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1894606 (or 1894597 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The spelling of 30228892929 in words is "thirty billion, two hundred twenty-eight million, eight hundred ninety-two thousand, nine hundred twenty-nine".