9949669499 has 16 divisors (see below), whose sum is σ = 12525227520. Its totient is φ = 7677711360.

The previous prime is 9949669493. The next prime is 9949669517.

9949669499 is nontrivially palindromic in base 10.

9949669499 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9949669499 - 2⁸ = 9949669243 is a prime.

It is a super-2 number, since 2×9949669499² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9949669493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 619334 + ... + 635195.

It is an arithmetic number, because the mean of its divisors is an integer number (782826720).

Almost surely, 2^9949669499 is an apocalyptic number.

9949669499 is a deficient number, since it is larger than the sum of its proper divisors (2575558021).

9949669499 is a wasteful number, since it uses less digits than its factorization.

9949669499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254650.

The product of its digits is 306110016, while the sum is 74.

The square root of 9949669499 is about 99748.0300507233. The cubic root of 9949669499 is about 2150.8141498570.

The spelling of 9949669499 in words is "nine billion, nine hundred forty-nine million, six hundred sixty-nine thousand, four hundred ninety-nine".