4377812009009 has 2 divisors, whose sum is σ = 4377812009010. Its totient is φ = 4377812009008.

The previous prime is 4377812008987. The next prime is 4377812009059. The reversal of 4377812009009 is 9009002187734.

4377812009009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (4377812009059) can be obtained adding 4377812009009 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3507649528384 + 870162480625 = 1872872^2 + 932825^2 .

It is a cyclic number.

It is not a de Polignac number, because 4377812009009 - 2¹⁶ = 4377811943473 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4377812009059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2188906004504 + 2188906004505.

It is an arithmetic number, because the mean of its divisors is an integer number (2188906004505).

Almost surely, 2^{4377812009009} is an apocalyptic number.

It is an amenable number.

4377812009009 is a deficient number, since it is larger than the sum of its proper divisors (1).

4377812009009 is an equidigital number, since it uses as much as digits as its factorization.

4377812009009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 762048, while the sum is 50.

The spelling of 4377812009009 in words is "four trillion, three hundred seventy-seven billion, eight hundred twelve million, nine thousand, nine".