30738646857 has 8 divisors (see below), whose sum is σ = 41758161984. Its totient is φ = 20105781488.

The previous prime is 30738646853. The next prime is 30738646867. The reversal of 30738646857 is 75864683703.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30738646857 - 2² = 30738646853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30738646797 and 30738646806.

It is not an unprimeable number, because it can be changed into a prime (30738646853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96662253 + ... + 96662570.

It is an arithmetic number, because the mean of its divisors is an integer number (5219770248).

Almost surely, 2^30738646857 is an apocalyptic number.

It is an amenable number.

30738646857 is a deficient number, since it is larger than the sum of its proper divisors (11019515127).

30738646857 is a wasteful number, since it uses less digits than its factorization.

30738646857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193324879.

The product of its (nonzero) digits is 20321280, while the sum is 57.

The spelling of 30738646857 in words is "thirty billion, seven hundred thirty-eight million, six hundred forty-six thousand, eight hundred fifty-seven".