9438951834 has 36 divisors (see below), whose sum is σ = 22145240286. Its totient is φ = 2904291936.

The previous prime is 9438951833. The next prime is 9438951839. The reversal of 9438951834 is 4381598349.

9438951834 is a `hidden beast` number, since 9 + 43 + 89 + 518 + 3 + 4 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 2180423025 + 7258528809 = 46695^2 + 85197^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9438951833) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1548397 + ... + 1554480.

Almost surely, 2^9438951834 is an apocalyptic number.

9438951834 is an abundant number, since it is smaller than the sum of its proper divisors (12706288452).

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

9438951834 is a wasteful number, since it uses less digits than its factorization.

9438951834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3102911 (or 3102895 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The square root of 9438951834 is about 97154.2682232747. The cubic root of 9438951834 is about 2113.3653858801.

The spelling of 9438951834 in words is "nine billion, four hundred thirty-eight million, nine hundred fifty-one thousand, eight hundred thirty-four".