30353979928 has 16 divisors (see below), whose sum is σ = 56942299080. Its totient is φ = 15169366848.

The previous prime is 30353979923. The next prime is 30353979937. The reversal of 30353979928 is 82997935303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30353979923) 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, 935950 + ... + 967837.

Almost surely, 2^30353979928 is an apocalyptic number.

It is an amenable number.

30353979928 is a deficient number, since it is larger than the sum of its proper divisors (26588319152).

30353979928 is a wasteful number, since it uses less digits than its factorization.

30353979928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1905786 (or 1905782 counting only the distinct ones).

The product of its (nonzero) digits is 11022480, while the sum is 58.

The spelling of 30353979928 in words is "thirty billion, three hundred fifty-three million, nine hundred seventy-nine thousand, nine hundred twenty-eight".