9366996639 has 64 divisors (see below), whose sum is σ = 16849502208. Its totient is φ = 4470076800.

The previous prime is 9366996589. The next prime is 9366996649.

9366996639 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 9366996639 - 2¹² = 9366992543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9366996639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9366996649) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 626242 + ... + 641024.

It is an arithmetic number, because the mean of its divisors is an integer number (263273472).

Almost surely, 2^9366996639 is an apocalyptic number.

9366996639 is a deficient number, since it is larger than the sum of its proper divisors (7482505569).

9366996639 is a wasteful number, since it uses less digits than its factorization.

9366996639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15028.

The product of its digits is 76527504, while the sum is 66.

The square root of 9366996639 is about 96783.2456523339. The cubic root of 9366996639 is about 2107.9814661075.

The spelling of 9366996639 in words is "nine billion, three hundred sixty-six million, nine hundred ninety-six thousand, six hundred thirty-nine".