30389502945 has 16 divisors (see below), whose sum is σ = 48626524800. Its totient is φ = 16206628224.

The previous prime is 30389502931. The next prime is 30389502947. The reversal of 30389502945 is 54920598303.

It is not a de Polignac number, because 30389502945 - 2⁷ = 30389502817 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30389502894 and 30389502903.

It is not an unprimeable number, because it can be changed into a prime (30389502947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188892 + ... + 310578.

It is an arithmetic number, because the mean of its divisors is an integer number (3039157800).

Almost surely, 2^30389502945 is an apocalyptic number.

It is an amenable number.

30389502945 is a deficient number, since it is larger than the sum of its proper divisors (18237021855).

30389502945 is a wasteful number, since it uses less digits than its factorization.

30389502945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138344.

The product of its (nonzero) digits is 1166400, while the sum is 48.

The spelling of 30389502945 in words is "thirty billion, three hundred eighty-nine million, five hundred two thousand, nine hundred forty-five".