30304493857 has 8 divisors (see below), whose sum is σ = 33088134240. Its totient is φ = 27525634560.

The previous prime is 30304493839. The next prime is 30304493867. The reversal of 30304493857 is 75839440303.

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 30304493857 - 2³¹ = 28157010209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30304493867) 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, 1182007 + ... + 1207372.

It is an arithmetic number, because the mean of its divisors is an integer number (4136016780).

Almost surely, 2^30304493857 is an apocalyptic number.

It is an amenable number.

30304493857 is a deficient number, since it is larger than the sum of its proper divisors (2783640383).

30304493857 is a wasteful number, since it uses less digits than its factorization.

30304493857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2390543.

The product of its (nonzero) digits is 1088640, while the sum is 46.

The spelling of 30304493857 in words is "thirty billion, three hundred four million, four hundred ninety-three thousand, eight hundred fifty-seven".