30957906189 has 16 divisors (see below), whose sum is σ = 47176998912. Its totient is φ = 17689089648.

The previous prime is 30957906149. The next prime is 30957906197. The reversal of 30957906189 is 98160975903.

It is not a de Polignac number, because 30957906189 - 2¹¹ = 30957904141 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30957906149) 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, 370852 + ... + 446594.

It is an arithmetic number, because the mean of its divisors is an integer number (2948562432).

Almost surely, 2^30957906189 is an apocalyptic number.

It is an amenable number.

30957906189 is a deficient number, since it is larger than the sum of its proper divisors (16219092723).

30957906189 is a wasteful number, since it uses less digits than its factorization.

30957906189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95216.

The product of its (nonzero) digits is 3674160, while the sum is 57.

The spelling of 30957906189 in words is "thirty billion, nine hundred fifty-seven million, nine hundred six thousand, one hundred eighty-nine".