30486989387 has 8 divisors (see below), whose sum is σ = 31235996400. Its totient is φ = 29738240640.

The previous prime is 30486989381. The next prime is 30486989473. The reversal of 30486989387 is 78398968403.

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

It is a cyclic number.

It is not a de Polignac number, because 30486989387 - 2¹⁶ = 30486923851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30486989381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186239 + ... + 309287.

It is an arithmetic number, because the mean of its divisors is an integer number (3904499550).

Almost surely, 2^30486989387 is an apocalyptic number.

30486989387 is a deficient number, since it is larger than the sum of its proper divisors (749007013).

30486989387 is a wasteful number, since it uses less digits than its factorization.

30486989387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129133.

The product of its (nonzero) digits is 62705664, while the sum is 65.

The spelling of 30486989387 in words is "thirty billion, four hundred eighty-six million, nine hundred eighty-nine thousand, three hundred eighty-seven".