4401041825021 has 2 divisors, whose sum is σ = 4401041825022. Its totient is φ = 4401041825020.

The previous prime is 4401041824973. The next prime is 4401041825023. The reversal of 4401041825021 is 1205281401044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4265625184921 + 135416640100 = 2065339^2 + 367990^2 .

It is a cyclic number.

It is not a de Polignac number, because 4401041825021 - 2⁶ = 4401041824957 is a prime.

It is a Sophie Germain prime.

Together with 4401041825023, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4401041825023) 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, 2200520912510 + 2200520912511.

It is an arithmetic number, because the mean of its divisors is an integer number (2200520912511).

Almost surely, 2^{4401041825021} is an apocalyptic number.

It is an amenable number.

4401041825021 is a deficient number, since it is larger than the sum of its proper divisors (1).

4401041825021 is an equidigital number, since it uses as much as digits as its factorization.

4401041825021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10240, while the sum is 32.

The spelling of 4401041825021 in words is "four trillion, four hundred one billion, forty-one million, eight hundred twenty-five thousand, twenty-one".