30858143017 has 8 divisors (see below), whose sum is σ = 33776631560. Its totient is φ = 28017480960.

The previous prime is 30858143009. The next prime is 30858143021. The reversal of 30858143017 is 71034185803.

It can be written as a sum of positive squares in 4 ways, for example, as 3094585641 + 27763557376 = 55629^2 + 166624^2 .

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 30858143017 - 2³ = 30858143009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30858143087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19455792 + ... + 19457377.

It is an arithmetic number, because the mean of its divisors is an integer number (4222078945).

Almost surely, 2^30858143017 is an apocalyptic number.

It is an amenable number.

30858143017 is a deficient number, since it is larger than the sum of its proper divisors (2918488543).

30858143017 is a wasteful number, since it uses less digits than its factorization.

30858143017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38913243.

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 30858143017 in words is "thirty billion, eight hundred fifty-eight million, one hundred forty-three thousand, seventeen".