30138717846 has 8 divisors (see below), whose sum is σ = 60277435704. Its totient is φ = 10046239280.

The previous prime is 30138717827. The next prime is 30138717859. The reversal of 30138717846 is 64871783103.

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

30138717846 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 30138717795 and 30138717804.

It is a congruent number.

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, 2511559815 + ... + 2511559826.

It is an arithmetic number, because the mean of its divisors is an integer number (7534679463).

Almost surely, 2^30138717846 is an apocalyptic number.

30138717846 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30138717846 is a wasteful number, since it uses less digits than its factorization.

30138717846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5023119646.

The product of its (nonzero) digits is 677376, while the sum is 48.

The spelling of 30138717846 in words is "thirty billion, one hundred thirty-eight million, seven hundred seventeen thousand, eight hundred forty-six".