9128656387742 has 8 divisors (see below), whose sum is σ = 13704108049632. Its totient is φ = 4560620371200.

The previous prime is 9128656387729. The next prime is 9128656387751. The reversal of 9128656387742 is 2477836568219.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1853908259 + ... + 1853913182.

It is an arithmetic number, because the mean of its divisors is an integer number (1713013506204).

Almost surely, 2^{9128656387742} is an apocalyptic number.

9128656387742 is a deficient number, since it is larger than the sum of its proper divisors (4575451661890).

9128656387742 is a wasteful number, since it uses less digits than its factorization.

9128656387742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3707822674.

The product of its digits is 243855360, while the sum is 68.

The spelling of 9128656387742 in words is "nine trillion, one hundred twenty-eight billion, six hundred fifty-six million, three hundred eighty-seven thousand, seven hundred forty-two".