30534000685 has 4 divisors (see below), whose sum is σ = 36640800828. Its totient is φ = 24427200544.

The previous prime is 30534000649. The next prime is 30534000689. The reversal of 30534000685 is 58600043503.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58600043503 = 14449 ⋅4055647.

It can be written as a sum of positive squares in 2 ways, for example, as 8291559364 + 22242441321 = 91058^2 + 149139^2 .

It is a cyclic number.

It is not a de Polignac number, because 30534000685 - 2⁹ = 30534000173 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30534000685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30534000689) 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, 3053400064 + ... + 3053400073.

It is an arithmetic number, because the mean of its divisors is an integer number (9160200207).

Almost surely, 2^30534000685 is an apocalyptic number.

It is an amenable number.

30534000685 is a deficient number, since it is larger than the sum of its proper divisors (6106800143).

30534000685 is an equidigital number, since it uses as much as digits as its factorization.

30534000685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6106800142.

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 30534000685 in words is "thirty billion, five hundred thirty-four million, six hundred eighty-five", and thus it is an aban number.