9191910010010 has 64 divisors (see below), whose sum is σ = 20837188576512. Its totient is φ = 2841434781696.

The previous prime is 9191910010009. The next prime is 9191910010057. The reversal of 9191910010010 is 100100191919.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117414359 + ... + 117492618.

It is an arithmetic number, because the mean of its divisors is an integer number (325581071508).

Almost surely, 2^{9191910010010} is an apocalyptic number.

9191910010010 is an abundant number, since it is smaller than the sum of its proper divisors (11645278566502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9191910010010 is a wasteful number, since it uses less digits than its factorization.

9191910010010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234907047.

The product of its (nonzero) digits is 729, while the sum is 32.

The spelling of 9191910010010 in words is "nine trillion, one hundred ninety-one billion, nine hundred ten million, ten thousand, ten".