30768040793 has 4 divisors (see below), whose sum is σ = 35163475200. Its totient is φ = 26372606388.

The previous prime is 30768040783. The next prime is 30768040817. The reversal of 30768040793 is 39704086703.

It is a happy number.

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: 39704086703 = 67 ⋅592598309.

It is a cyclic number.

It is not a de Polignac number, because 30768040793 - 2¹⁰ = 30768039769 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30768040783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2197717193 + ... + 2197717206.

It is an arithmetic number, because the mean of its divisors is an integer number (8790868800).

Almost surely, 2^30768040793 is an apocalyptic number.

It is an amenable number.

30768040793 is a deficient number, since it is larger than the sum of its proper divisors (4395434407).

30768040793 is an equidigital number, since it uses as much as digits as its factorization.

30768040793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4395434406.

The product of its (nonzero) digits is 762048, while the sum is 47.

The spelling of 30768040793 in words is "thirty billion, seven hundred sixty-eight million, forty thousand, seven hundred ninety-three".