4405611401 has 2 divisors, whose sum is σ = 4405611402. Its totient is φ = 4405611400.

The previous prime is 4405611389. The next prime is 4405611403. The reversal of 4405611401 is 1041165044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4306509376 + 99102025 = 65624^2 + 9955^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4405611401 is a prime.

It is a Sophie Germain prime.

Together with 4405611403, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4405611403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2202805700 + 2202805701.

It is an arithmetic number, because the mean of its divisors is an integer number (2202805701).

Almost surely, 2^4405611401 is an apocalyptic number.

It is an amenable number.

4405611401 is a deficient number, since it is larger than the sum of its proper divisors (1).

4405611401 is an equidigital number, since it uses as much as digits as its factorization.

4405611401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 4405611401 is about 66374.7798565088. The cubic root of 4405611401 is about 1639.3388422828.

Adding to 4405611401 its reverse (1041165044), we get a palindrome (5446776445).

The spelling of 4405611401 in words is "four billion, four hundred five million, six hundred eleven thousand, four hundred one".