30938450905 has 8 divisors (see below), whose sum is σ = 37132708032. Its totient is φ = 24746382768.

The previous prime is 30938450903. The next prime is 30938450999. The reversal of 30938450905 is 50905483903.

It is a happy number.

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 30938450905 - 2¹ = 30938450903 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30938450903) 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, 515989 + ... + 572818.

It is an arithmetic number, because the mean of its divisors is an integer number (4641588504).

Almost surely, 2^30938450905 is an apocalyptic number.

It is an amenable number.

30938450905 is a deficient number, since it is larger than the sum of its proper divisors (6194257127).

30938450905 is a wasteful number, since it uses less digits than its factorization.

30938450905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094495.

The product of its (nonzero) digits is 583200, while the sum is 46.

The spelling of 30938450905 in words is "thirty billion, nine hundred thirty-eight million, four hundred fifty thousand, nine hundred five".