9974016899 has 16 divisors (see below), whose sum is σ = 12444850176. Its totient is φ = 7765891200.

The previous prime is 9974016827. The next prime is 9974016901. The reversal of 9974016899 is 9986104799.

It is a happy number.

It is a Cunningham number, because it is equal to 99870²-1.

It is a cyclic number.

It is not a de Polignac number, because 9974016899 - 2¹² = 9974012803 is a prime.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (9974016599) 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, 49934 + ... + 149804.

It is an arithmetic number, because the mean of its divisors is an integer number (777803136).

Almost surely, 2^9974016899 is an apocalyptic number.

9974016899 is a deficient number, since it is larger than the sum of its proper divisors (2470833277).

9974016899 is a wasteful number, since it uses less digits than its factorization.

9974016899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101186.

The product of its (nonzero) digits is 8817984, while the sum is 62.

The square root of 9974016899 is about 99869.9999949935. Note that the first 5 decimals coincide. The cubic root of 9974016899 is about 2152.5671084397.

The spelling of 9974016899 in words is "nine billion, nine hundred seventy-four million, sixteen thousand, eight hundred ninety-nine".