9191149930 has 64 divisors (see below), whose sum is σ = 17039808000. Its totient is φ = 3568481280.

The previous prime is 9191149897. The next prime is 9191149973. The reversal of 9191149930 is 399411919.

9191149930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 13300885 + ... + 13301575.

It is an arithmetic number, because the mean of its divisors is an integer number (266247000).

Almost surely, 2^9191149930 is an apocalyptic number.

9191149930 is a deficient number, since it is larger than the sum of its proper divisors (7848658070).

9191149930 is a wasteful number, since it uses less digits than its factorization.

9191149930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039.

The product of its (nonzero) digits is 78732, while the sum is 46.

The square root of 9191149930 is about 95870.4851870481. The cubic root of 9191149930 is about 2094.7069976024.

The spelling of 9191149930 in words is "nine billion, one hundred ninety-one million, one hundred forty-nine thousand, nine hundred thirty".