9934666637 has 16 divisors (see below), whose sum is σ = 11655177600. Its totient is φ = 8290743552.

The previous prime is 9934666631. The next prime is 9934666639. The reversal of 9934666637 is 7366664399.

9934666637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-9934666637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9934666631) 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, 41489 + ... + 146937.

It is an arithmetic number, because the mean of its divisors is an integer number (728448600).

Almost surely, 2^9934666637 is an apocalyptic number.

It is an amenable number.

9934666637 is a deficient number, since it is larger than the sum of its proper divisors (1720510963).

9934666637 is a wasteful number, since it uses less digits than its factorization.

9934666637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105812.

The product of its digits is 26453952, while the sum is 59.

The square root of 9934666637 is about 99672.7978788596. The cubic root of 9934666637 is about 2149.7325527790.

The spelling of 9934666637 in words is "nine billion, nine hundred thirty-four million, six hundred sixty-six thousand, six hundred thirty-seven".