30378028065 has 32 divisors (see below), whose sum is σ = 60598250496. Its totient is φ = 12624634560.

The previous prime is 30378028049. The next prime is 30378028097. The reversal of 30378028065 is 56082087303.

It is not a de Polignac number, because 30378028065 - 2⁴ = 30378028049 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 13149507 + ... + 13151816.

It is an arithmetic number, because the mean of its divisors is an integer number (1893695328).

Almost surely, 2^30378028065 is an apocalyptic number.

30378028065 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30378028065 is a deficient number, since it is larger than the sum of its proper divisors (30220222431).

30378028065 is a wasteful number, since it uses less digits than its factorization.

30378028065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26301349.

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 30378028065 in words is "thirty billion, three hundred seventy-eight million, twenty-eight thousand, sixty-five".