100040004443 has 2 divisors, whose sum is σ = 100040004444. Its totient is φ = 100040004442.

The previous prime is 100040004413. The next prime is 100040004461. The reversal of 100040004443 is 344400040001.

It is a strong prime.

It is an emirp because it is prime and its reverse (344400040001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100040004443 - 2²² = 100035810139 is a prime.

It is not a weakly prime, because it can be changed into another prime (100040004403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50020002221 + 50020002222.

It is an arithmetic number, because the mean of its divisors is an integer number (50020002222).

Almost surely, 2^100040004443 is an apocalyptic number.

100040004443 is a deficient number, since it is larger than the sum of its proper divisors (1).

100040004443 is an equidigital number, since it uses as much as digits as its factorization.

100040004443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 100040004443 its reverse (344400040001), we get a palindrome (444440044444).

The spelling of 100040004443 in words is "one hundred billion, forty million, four thousand, four hundred forty-three".