100244444389 has 2 divisors, whose sum is σ = 100244444390. Its totient is φ = 100244444388.

The previous prime is 100244444387. The next prime is 100244444431. The reversal of 100244444389 is 983444442001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83489213025 + 16755231364 = 288945^2 + 129442^2 .

It is a cyclic number.

It is not a de Polignac number, because 100244444389 - 2¹ = 100244444387 is a prime.

Together with 100244444387, 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 (100244444381) 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 as a sum of consecutive naturals, namely, 50122222194 + 50122222195.

It is an arithmetic number, because the mean of its divisors is an integer number (50122222195).

Almost surely, 2^100244444389 is an apocalyptic number.

It is an amenable number.

100244444389 is a deficient number, since it is larger than the sum of its proper divisors (1).

100244444389 is an equidigital number, since it uses as much as digits as its factorization.

100244444389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 442368, while the sum is 43.

The spelling of 100244444389 in words is "one hundred billion, two hundred forty-four million, four hundred forty-four thousand, three hundred eighty-nine".