99738361889 has 8 divisors (see below), whose sum is σ = 101283698880. Its totient is φ = 98194692816.

The previous prime is 99738361867. The next prime is 99738361907. The reversal of 99738361889 is 98816383799.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99738361889 is a prime.

It is a super-2 number, since 2×99738361889² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (99738361819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296189 + ... + 535914.

It is an arithmetic number, because the mean of its divisors is an integer number (12660462360).

Almost surely, 2^99738361889 is an apocalyptic number.

It is an amenable number.

99738361889 is a deficient number, since it is larger than the sum of its proper divisors (1545336991).

99738361889 is a wasteful number, since it uses less digits than its factorization.

99738361889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833959.

The product of its digits is 141087744, while the sum is 71.

The spelling of 99738361889 in words is "ninety-nine billion, seven hundred thirty-eight million, three hundred sixty-one thousand, eight hundred eighty-nine".