30484570685 has 4 divisors (see below), whose sum is σ = 36581484828. Its totient is φ = 24387656544.

The previous prime is 30484570681. The next prime is 30484570709. The reversal of 30484570685 is 58607548403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58607548403 = 83 ⋅706115041.

It can be written as a sum of positive squares in 2 ways, for example, as 9722354404 + 20762216281 = 98602^2 + 144091^2 .

It is a cyclic number.

It is not a de Polignac number, because 30484570685 - 2² = 30484570681 is a prime.

It is a super-2 number, since 2×30484570685² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30484570681) 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, 3048457064 + ... + 3048457073.

It is an arithmetic number, because the mean of its divisors is an integer number (9145371207).

Almost surely, 2^30484570685 is an apocalyptic number.

It is an amenable number.

30484570685 is a deficient number, since it is larger than the sum of its proper divisors (6096914143).

30484570685 is an equidigital number, since it uses as much as digits as its factorization.

30484570685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6096914142.

The product of its (nonzero) digits is 3225600, while the sum is 50.

The spelling of 30484570685 in words is "thirty billion, four hundred eighty-four million, five hundred seventy thousand, six hundred eighty-five".