30318754849 has 4 divisors (see below), whose sum is σ = 30684041136. Its totient is φ = 29953468564.

The previous prime is 30318754811. The next prime is 30318754861. The reversal of 30318754849 is 94845781303.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30318754849 - 2⁹ = 30318754337 is a prime.

It is a super-2 number, since 2×30318754849² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30318754796 and 30318754805.

It is not an unprimeable number, because it can be changed into a prime (30318754049) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 182643019 + ... + 182643184.

It is an arithmetic number, because the mean of its divisors is an integer number (7671010284).

Almost surely, 2^30318754849 is an apocalyptic number.

It is an amenable number.

30318754849 is a deficient number, since it is larger than the sum of its proper divisors (365286287).

30318754849 is an equidigital number, since it uses as much as digits as its factorization.

30318754849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365286286.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 30318754849 in words is "thirty billion, three hundred eighteen million, seven hundred fifty-four thousand, eight hundred forty-nine".