30308659672 has 16 divisors (see below), whose sum is σ = 56836938600. Its totient is φ = 15152142720.

The previous prime is 30308659663. The next prime is 30308659691. The reversal of 30308659672 is 27695680303.

It is a happy number.

It is a super-2 number, since 2×30308659672² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 213729 + ... + 326032.

Almost surely, 2^30308659672 is an apocalyptic number.

It is an amenable number.

30308659672 is a deficient number, since it is larger than the sum of its proper divisors (26528278928).

30308659672 is a wasteful number, since it uses less digits than its factorization.

30308659672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546786 (or 546782 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 49.

The spelling of 30308659672 in words is "thirty billion, three hundred eight million, six hundred fifty-nine thousand, six hundred seventy-two".