4428441373 has 2 divisors, whose sum is σ = 4428441374. Its totient is φ = 4428441372.

The previous prime is 4428441361. The next prime is 4428441377. The reversal of 4428441373 is 3731448244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2785517284 + 1642924089 = 52778^2 + 40533^2 .

It is a cyclic number.

It is not a de Polignac number, because 4428441373 - 2¹³ = 4428433181 is a prime.

It is a super-2 number, since 2×4428441373² = 39222185988196250258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4428441377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2214220686 + 2214220687.

It is an arithmetic number, because the mean of its divisors is an integer number (2214220687).

Almost surely, 2^4428441373 is an apocalyptic number.

It is an amenable number.

4428441373 is a deficient number, since it is larger than the sum of its proper divisors (1).

4428441373 is an equidigital number, since it uses as much as digits as its factorization.

4428441373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 258048, while the sum is 40.

The square root of 4428441373 is about 66546.5353944140. The cubic root of 4428441373 is about 1642.1656612639.

The spelling of 4428441373 in words is "four billion, four hundred twenty-eight million, four hundred forty-one thousand, three hundred seventy-three".