9925665299 has 16 divisors (see below), whose sum is σ = 10885674240. Its totient is φ = 8975398560.

The previous prime is 9925665293. The next prime is 9925665311.

9925665299 is nontrivially palindromic in base 10.

9925665299 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 9925665299 - 2⁴ = 9925665283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9925665293) 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, 1751132 + ... + 1756790.

It is an arithmetic number, because the mean of its divisors is an integer number (680354640).

Almost surely, 2^9925665299 is an apocalyptic number.

9925665299 is a deficient number, since it is larger than the sum of its proper divisors (960008941).

9925665299 is a wasteful number, since it uses less digits than its factorization.

9925665299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6490.

The product of its digits is 23619600, while the sum is 62.

The square root of 9925665299 is about 99627.6332098680. The cubic root of 9925665299 is about 2149.0830991317.

The spelling of 9925665299 in words is "nine billion, nine hundred twenty-five million, six hundred sixty-five thousand, two hundred ninety-nine".