9739407906 has 12 divisors (see below), whose sum is σ = 21102050502. Its totient is φ = 3246469296.

The previous prime is 9739407901. The next prime is 9739407907. The reversal of 9739407906 is 6097049379.

It can be written as a sum of positive squares in only one way, i.e., 4896500625 + 4842907281 = 69975^2 + 69591^2 .

It is not an unprimeable number, because it can be changed into a prime (9739407901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 270539091 + ... + 270539126.

Almost surely, 2^9739407906 is an apocalyptic number.

9739407906 is an abundant number, since it is smaller than the sum of its proper divisors (11362642596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9739407906 is a wasteful number, since it uses less digits than its factorization.

9739407906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541078225 (or 541078222 counting only the distinct ones).

The product of its (nonzero) digits is 2571912, while the sum is 54.

The square root of 9739407906 is about 98688.4385629847. The cubic root of 9739407906 is about 2135.5554468205. Note that the first 3 decimals are identical.

The spelling of 9739407906 in words is "nine billion, seven hundred thirty-nine million, four hundred seven thousand, nine hundred six".