30748509789 has 16 divisors (see below), whose sum is σ = 43398062400. Its totient is φ = 19331859456.

The previous prime is 30748509787. The next prime is 30748509793. The reversal of 30748509789 is 98790584703.

It is not a de Polignac number, because 30748509789 - 2¹ = 30748509787 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30748509787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4105924 + ... + 4113405.

It is an arithmetic number, because the mean of its divisors is an integer number (2712378900).

Almost surely, 2^30748509789 is an apocalyptic number.

It is an amenable number.

30748509789 is a deficient number, since it is larger than the sum of its proper divisors (12649552611).

30748509789 is a wasteful number, since it uses less digits than its factorization.

30748509789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8219404.

The product of its (nonzero) digits is 15240960, while the sum is 60.

The spelling of 30748509789 in words is "thirty billion, seven hundred forty-eight million, five hundred nine thousand, seven hundred eighty-nine".