30685398026 has 8 divisors (see below), whose sum is σ = 46056219300. Its totient is φ = 15333324928.

The previous prime is 30685398013. The next prime is 30685398077. The reversal of 30685398026 is 62089358603.

It can be written as a sum of positive squares in 2 ways, for example, as 28341385801 + 2344012225 = 168349^2 + 48415^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4682951 + ... + 4689498.

Almost surely, 2^30685398026 is an apocalyptic number.

30685398026 is a deficient number, since it is larger than the sum of its proper divisors (15370821274).

30685398026 is a wasteful number, since it uses less digits than its factorization.

30685398026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9374088.

The product of its (nonzero) digits is 1866240, while the sum is 50.

The spelling of 30685398026 in words is "thirty billion, six hundred eighty-five million, three hundred ninety-eight thousand, twenty-six".