30484675687 has 4 divisors (see below), whose sum is σ = 31133285856. Its totient is φ = 29836065520.

The previous prime is 30484675673. The next prime is 30484675691. The reversal of 30484675687 is 78657648403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78657648403 = 137 ⋅574143419.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30484675687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30484675657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324305014 + ... + 324305107.

It is an arithmetic number, because the mean of its divisors is an integer number (7783321464).

Almost surely, 2^30484675687 is an apocalyptic number.

30484675687 is a deficient number, since it is larger than the sum of its proper divisors (648610169).

30484675687 is an equidigital number, since it uses as much as digits as its factorization.

30484675687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648610168.

The product of its (nonzero) digits is 27095040, while the sum is 58.

The spelling of 30484675687 in words is "thirty billion, four hundred eighty-four million, six hundred seventy-five thousand, six hundred eighty-seven".