4444100321 has 2 divisors, whose sum is σ = 4444100322. Its totient is φ = 4444100320.

The previous prime is 4444100281. The next prime is 4444100333. The reversal of 4444100321 is 1230014444.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2898745600 + 1545354721 = 53840^2 + 39311^2 .

It is a cyclic number.

It is not a de Polignac number, because 4444100321 - 2⁶ = 4444100257 is a prime.

It is a super-2 number, since 2×4444100321² = 39500055326224606082, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4444100341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2222050160 + 2222050161.

It is an arithmetic number, because the mean of its divisors is an integer number (2222050161).

Almost surely, 2^4444100321 is an apocalyptic number.

It is an amenable number.

4444100321 is a deficient number, since it is larger than the sum of its proper divisors (1).

4444100321 is an equidigital number, since it uses as much as digits as its factorization.

4444100321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 4444100321 is about 66664.0856908726. The cubic root of 4444100321 is about 1644.0989477221.

Adding to 4444100321 its reverse (1230014444), we get a palindrome (5674114765).

The spelling of 4444100321 in words is "four billion, four hundred forty-four million, one hundred thousand, three hundred twenty-one".