100043434441 has 2 divisors, whose sum is σ = 100043434442. Its totient is φ = 100043434440.

The previous prime is 100043434433. The next prime is 100043434493. The reversal of 100043434441 is 144434340001.

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., 70452554041 + 29590880400 = 265429^2 + 172020^2 .

It is a cyclic number.

It is not a de Polignac number, because 100043434441 - 2³ = 100043434433 is a prime.

It is not a weakly prime, because it can be changed into another prime (100043434241) 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, 50021717220 + 50021717221.

It is an arithmetic number, because the mean of its divisors is an integer number (50021717221).

Almost surely, 2^100043434441 is an apocalyptic number.

It is an amenable number.

100043434441 is a deficient number, since it is larger than the sum of its proper divisors (1).

100043434441 is an equidigital number, since it uses as much as digits as its factorization.

100043434441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 100043434441 its reverse (144434340001), we get a palindrome (244477774442).

The spelling of 100043434441 in words is "one hundred billion, forty-three million, four hundred thirty-four thousand, four hundred forty-one".