9901617914 has 16 divisors (see below), whose sum is σ = 15111778176. Its totient is φ = 4864728000.

The previous prime is 9901617893. The next prime is 9901617917. The reversal of 9901617914 is 4197161099.

It is a super-2 number, since 2×9901617914² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9901617917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38402 + ... + 145869.

It is an arithmetic number, because the mean of its divisors is an integer number (944486136).

Almost surely, 2^9901617914 is an apocalyptic number.

9901617914 is a deficient number, since it is larger than the sum of its proper divisors (5210160262).

9901617914 is a wasteful number, since it uses less digits than its factorization.

9901617914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184741.

The product of its (nonzero) digits is 122472, while the sum is 47.

The square root of 9901617914 is about 99506.8737022724. The cubic root of 9901617914 is about 2147.3461334264.

The spelling of 9901617914 in words is "nine billion, nine hundred one million, six hundred seventeen thousand, nine hundred fourteen".