30384164549 has 4 divisors (see below), whose sum is σ = 32171468364. Its totient is φ = 28596860736.

The previous prime is 30384164533. The next prime is 30384164561. The reversal of 30384164549 is 94546148303.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94546148303 = 18131 ⋅5214613.

It can be written as a sum of positive squares in 2 ways, for example, as 17366495524 + 13017669025 = 131782^2 + 114095^2 .

It is a cyclic number.

It is not a de Polignac number, because 30384164549 - 2⁴ = 30384164533 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30384164249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 893651882 + ... + 893651915.

It is an arithmetic number, because the mean of its divisors is an integer number (8042867091).

Almost surely, 2^30384164549 is an apocalyptic number.

It is an amenable number.

30384164549 is a deficient number, since it is larger than the sum of its proper divisors (1787303815).

30384164549 is a wasteful number, since it uses less digits than its factorization.

30384164549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1787303814.

The product of its (nonzero) digits is 1244160, while the sum is 47.

The spelling of 30384164549 in words is "thirty billion, three hundred eighty-four million, one hundred sixty-four thousand, five hundred forty-nine".