30858965057 has 4 divisors (see below), whose sum is σ = 31063329216. Its totient is φ = 30654600900.

The previous prime is 30858965041. The next prime is 30858965099. The reversal of 30858965057 is 75056985803.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30858965057 - 2⁴ = 30858965041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30858964993 and 30858965011.

It is not an unprimeable number, because it can be changed into a prime (30858965017) 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, 102181853 + ... + 102182154.

It is an arithmetic number, because the mean of its divisors is an integer number (7765832304).

Almost surely, 2^30858965057 is an apocalyptic number.

It is an amenable number.

30858965057 is a deficient number, since it is larger than the sum of its proper divisors (204364159).

30858965057 is a wasteful number, since it uses less digits than its factorization.

30858965057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204364158.

The product of its (nonzero) digits is 9072000, while the sum is 56.

The spelling of 30858965057 in words is "thirty billion, eight hundred fifty-eight million, nine hundred sixty-five thousand, fifty-seven".