9126747249 has 8 divisors (see below), whose sum is σ = 12172538400. Its totient is φ = 6082727136.

The previous prime is 9126747199. The next prime is 9126747251. The reversal of 9126747249 is 9427476219.

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

It is not a de Polignac number, because 9126747249 - 2⁷ = 9126747121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9126797249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430687 + ... + 451380.

It is an arithmetic number, because the mean of its divisors is an integer number (1521567300).

Almost surely, 2^9126747249 is an apocalyptic number.

It is an amenable number.

9126747249 is a deficient number, since it is larger than the sum of its proper divisors (3045791151).

9126747249 is a wasteful number, since it uses less digits than its factorization.

9126747249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885519.

The product of its digits is 1524096, while the sum is 51.

The square root of 9126747249 is about 95534.0109542146. The cubic root of 9126747249 is about 2089.8029658655.

The spelling of 9126747249 in words is "nine billion, one hundred twenty-six million, seven hundred forty-seven thousand, two hundred forty-nine".