30404842933 has 4 divisors (see below), whose sum is σ = 30718295020. Its totient is φ = 30091390848.

The previous prime is 30404842931. The next prime is 30404842943. The reversal of 30404842933 is 33924840403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33924840403 = 23 ⋅1474993061.

It can be written as a sum of positive squares in 2 ways, for example, as 17949836529 + 12455006404 = 133977^2 + 111602^2 .

It is a cyclic number.

It is not a de Polignac number, because 30404842933 - 2¹ = 30404842931 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30404842931) 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, 156725898 + ... + 156726091.

It is an arithmetic number, because the mean of its divisors is an integer number (7679573755).

Almost surely, 2^30404842933 is an apocalyptic number.

It is an amenable number.

30404842933 is a deficient number, since it is larger than the sum of its proper divisors (313452087).

30404842933 is an equidigital number, since it uses as much as digits as its factorization.

30404842933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313452086.

The product of its (nonzero) digits is 248832, while the sum is 40.

The spelling of 30404842933 in words is "thirty billion, four hundred four million, eight hundred forty-two thousand, nine hundred thirty-three".