100309236889 has 2 divisors, whose sum is σ = 100309236890. Its totient is φ = 100309236888.

The previous prime is 100309236869. The next prime is 100309236913. The reversal of 100309236889 is 988632903001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69850261264 + 30458975625 = 264292^2 + 174525^2 .

It is a cyclic number.

It is not a de Polignac number, because 100309236889 - 2⁵ = 100309236857 is a prime.

It is not a weakly prime, because it can be changed into another prime (100309236869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50154618444 + 50154618445.

It is an arithmetic number, because the mean of its divisors is an integer number (50154618445).

Almost surely, 2^100309236889 is an apocalyptic number.

It is an amenable number.

100309236889 is a deficient number, since it is larger than the sum of its proper divisors (1).

100309236889 is an equidigital number, since it uses as much as digits as its factorization.

100309236889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 559872, while the sum is 49.

The spelling of 100309236889 in words is "one hundred billion, three hundred nine million, two hundred thirty-six thousand, eight hundred eighty-nine".