9685441899 has 24 divisors (see below), whose sum is σ = 15992998112. Its totient is φ = 5533038720.

The previous prime is 9685441891. The next prime is 9685441939. The reversal of 9685441899 is 9981445869.

9685441899 is a `hidden beast` number, since 9 + 6 + 8 + 544 + 1 + 89 + 9 = 666.

It is not a de Polignac number, because 9685441899 - 2³ = 9685441891 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (9685441891) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 239079 + ... + 276639.

Almost surely, 2^9685441899 is an apocalyptic number.

9685441899 is a deficient number, since it is larger than the sum of its proper divisors (6307556213).

9685441899 is a wasteful number, since it uses less digits than its factorization.

9685441899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41667 (or 41664 counting only the distinct ones).

The product of its digits is 22394880, while the sum is 63.

The square root of 9685441899 is about 98414.6427062559. The cubic root of 9685441899 is about 2131.6037719775.

It can be divided in two parts, 9685 and 441899, that added together give a square (451584 = 672²).

The spelling of 9685441899 in words is "nine billion, six hundred eighty-five million, four hundred forty-one thousand, eight hundred ninety-nine".