9135743921787 has 32 divisors (see below), whose sum is σ = 14548852703232. Its totient is φ = 4985732071584.

The previous prime is 9135743921737. The next prime is 9135743921789. The reversal of 9135743921787 is 7871293475319.

It is not a de Polignac number, because 9135743921787 - 2²² = 9135739727483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9135743921789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14304643 + ... + 14929644.

It is an arithmetic number, because the mean of its divisors is an integer number (454651646976).

Almost surely, 2^{9135743921787} is an apocalyptic number.

9135743921787 is a deficient number, since it is larger than the sum of its proper divisors (5413108781445).

9135743921787 is a wasteful number, since it uses less digits than its factorization.

9135743921787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29234967.

The product of its digits is 80015040, while the sum is 66.

The spelling of 9135743921787 in words is "nine trillion, one hundred thirty-five billion, seven hundred forty-three million, nine hundred twenty-one thousand, seven hundred eighty-seven".