30629685109 has 4 divisors (see below), whose sum is σ = 30932949420. Its totient is φ = 30326420800.

The previous prime is 30629685059. The next prime is 30629685113. The reversal of 30629685109 is 90158692603.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29783166084 + 846519025 = 172578^2 + 29095^2 .

It is a cyclic number.

It is not a de Polignac number, because 30629685109 - 2¹⁵ = 30629652341 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 (30629685809) 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, 151632004 + ... + 151632205.

It is an arithmetic number, because the mean of its divisors is an integer number (7733237355).

Almost surely, 2^30629685109 is an apocalyptic number.

It is an amenable number.

30629685109 is a deficient number, since it is larger than the sum of its proper divisors (303264311).

30629685109 is a wasteful number, since it uses less digits than its factorization.

30629685109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303264310.

The product of its (nonzero) digits is 699840, while the sum is 49.

The spelling of 30629685109 in words is "thirty billion, six hundred twenty-nine million, six hundred eighty-five thousand, one hundred nine".