100133330989 has 2 divisors, whose sum is σ = 100133330990. Its totient is φ = 100133330988.

The previous prime is 100133330987. The next prime is 100133331029. The reversal of 100133330989 is 989033331001.

It is an a-pointer prime, because the next prime (100133331029) can be obtained adding 100133330989 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65046421764 + 35086909225 = 255042^2 + 187315^2 .

It is an emirp because it is prime and its reverse (989033331001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100133330989 - 2¹ = 100133330987 is a prime.

Together with 100133330987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100133330987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50066665494 + 50066665495.

It is an arithmetic number, because the mean of its divisors is an integer number (50066665495).

Almost surely, 2^100133330989 is an apocalyptic number.

It is an amenable number.

100133330989 is a deficient number, since it is larger than the sum of its proper divisors (1).

100133330989 is an equidigital number, since it uses as much as digits as its factorization.

100133330989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 40.

The spelling of 100133330989 in words is "one hundred billion, one hundred thirty-three million, three hundred thirty thousand, nine hundred eighty-nine".