9894135010 has 16 divisors (see below), whose sum is σ = 17810854776. Its totient is φ = 3957340288.

The previous prime is 9894135007. The next prime is 9894135011. The reversal of 9894135010 is 105314989.

It can be written as a sum of positive squares in 4 ways, for example, as 7515329481 + 2378805529 = 86691^2 + 48773^2 .

It is a super-2 number, since 2×9894135010² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9894135011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126654 + ... + 189286.

Almost surely, 2^9894135010 is an apocalyptic number.

9894135010 is a deficient number, since it is larger than the sum of its proper divisors (7916719766).

9894135010 is a wasteful number, since it uses less digits than its factorization.

9894135010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78437.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 9894135010 is about 99469.2666606123. The cubic root of 9894135010 is about 2146.8050624428.

Adding to 9894135010 its reverse (105314989), we get a palindrome (9999449999).

The spelling of 9894135010 in words is "nine billion, eight hundred ninety-four million, one hundred thirty-five thousand, ten".