9137889249 has 8 divisors (see below), whose sum is σ = 12900549600. Its totient is φ = 5733577536.

The previous prime is 9137889239. The next prime is 9137889253. The reversal of 9137889249 is 9429887319.

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

It is not a de Polignac number, because 9137889249 - 2⁸ = 9137888993 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 9137889192 and 9137889201.

It is not an unprimeable number, because it can be changed into a prime (9137889209) 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, 89587099 + ... + 89587200.

It is an arithmetic number, because the mean of its divisors is an integer number (1612568700).

Almost surely, 2^9137889249 is an apocalyptic number.

It is an amenable number.

9137889249 is a deficient number, since it is larger than the sum of its proper divisors (3762660351).

9137889249 is a wasteful number, since it uses less digits than its factorization.

9137889249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179174319.

The product of its digits is 7838208, while the sum is 60.

The square root of 9137889249 is about 95592.3074781648. The cubic root of 9137889249 is about 2090.6530356330.

The spelling of 9137889249 in words is "nine billion, one hundred thirty-seven million, eight hundred eighty-nine thousand, two hundred forty-nine".