99383347681 has 16 divisors (see below), whose sum is σ = 103577299200. Its totient is φ = 95243194368.

The previous prime is 99383347667. The next prime is 99383347699. The reversal of 99383347681 is 18674338399.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99383347681 is a prime.

It is a super-2 number, since 2×99383347681² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99383387681) 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 15 ways as a sum of consecutive naturals, for example, 2085640 + ... + 2132758.

It is an arithmetic number, because the mean of its divisors is an integer number (6473581200).

Almost surely, 2^99383347681 is an apocalyptic number.

It is an amenable number.

99383347681 is a deficient number, since it is larger than the sum of its proper divisors (4193951519).

99383347681 is a wasteful number, since it uses less digits than its factorization.

99383347681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47688.

The product of its digits is 23514624, while the sum is 61.

The spelling of 99383347681 in words is "ninety-nine billion, three hundred eighty-three million, three hundred forty-seven thousand, six hundred eighty-one".