9189616749 has 16 divisors (see below), whose sum is σ = 12476663808. Its totient is φ = 6015485952.

The previous prime is 9189616727. The next prime is 9189616759. The reversal of 9189616749 is 9476169819.

It is a happy number.

It is not a de Polignac number, because 9189616749 - 2¹¹ = 9189614701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9189616692 and 9189616701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9189616759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87372 + ... + 161285.

It is an arithmetic number, because the mean of its divisors is an integer number (779791488).

Almost surely, 2^9189616749 is an apocalyptic number.

It is an amenable number.

9189616749 is a deficient number, since it is larger than the sum of its proper divisors (3287047059).

9189616749 is a wasteful number, since it uses less digits than its factorization.

9189616749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248884.

The product of its digits is 5878656, while the sum is 60.

The square root of 9189616749 is about 95862.4887482064. The cubic root of 9189616749 is about 2094.5905180329.

The spelling of 9189616749 in words is "nine billion, one hundred eighty-nine million, six hundred sixteen thousand, seven hundred forty-nine".