30858971703539 has 32 divisors (see below), whose sum is σ = 37352585604096. Its totient is φ = 24921195932160.

The previous prime is 30858971703491. The next prime is 30858971703577. The reversal of 30858971703539 is 93530717985803.

It is a de Polignac number, because none of the positive numbers 2^k-30858971703539 is a prime.

It is a super-2 number, since 2×30858971703539² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (68) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (30858971733539) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 171218279 + ... + 171398415.

It is an arithmetic number, because the mean of its divisors is an integer number (1167268300128).

Almost surely, 2^{30858971703539} is an apocalyptic number.

30858971703539 is a deficient number, since it is larger than the sum of its proper divisors (6493613900557).

30858971703539 is a wasteful number, since it uses less digits than its factorization.

30858971703539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196115.

The product of its (nonzero) digits is 171460800, while the sum is 68.

The spelling of 30858971703539 in words is "thirty trillion, eight hundred fifty-eight billion, nine hundred seventy-one million, seven hundred three thousand, five hundred thirty-nine".