30366418993 has 4 divisors (see below), whose sum is σ = 31345980928. Its totient is φ = 29386857060.

The previous prime is 30366418933. The next prime is 30366419033. The reversal of 30366418993 is 39981466303.

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, and also an emirpimes, since its reverse is a distinct semiprime: 39981466303 = 17 ⋅2351850959.

It is a cyclic number.

It is not a de Polignac number, because 30366418993 - 2²⁹ = 29829548081 is a prime.

It is a super-2 number, since 2×30366418993² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30366418993.

It is not an unprimeable number, because it can be changed into a prime (30366418933) 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, 489780921 + ... + 489780982.

It is an arithmetic number, because the mean of its divisors is an integer number (7836495232).

Almost surely, 2^30366418993 is an apocalyptic number.

It is an amenable number.

30366418993 is a deficient number, since it is larger than the sum of its proper divisors (979561935).

30366418993 is an equidigital number, since it uses as much as digits as its factorization.

30366418993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979561934.

The product of its (nonzero) digits is 2519424, while the sum is 52.

The spelling of 30366418993 in words is "thirty billion, three hundred sixty-six million, four hundred eighteen thousand, nine hundred ninety-three".