4428361577 has 2 divisors, whose sum is σ = 4428361578. Its totient is φ = 4428361576.

The previous prime is 4428361547. The next prime is 4428361601. The reversal of 4428361577 is 7751638244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4279253056 + 149108521 = 65416^2 + 12211^2 .

It is a cyclic number.

It is not a de Polignac number, because 4428361577 - 2¹⁰ = 4428360553 is a prime.

It is a super-2 number, since 2×4428361577² = 39220772513299853858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4428361537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2214180788 + 2214180789.

It is an arithmetic number, because the mean of its divisors is an integer number (2214180789).

Almost surely, 2^4428361577 is an apocalyptic number.

It is an amenable number.

4428361577 is a deficient number, since it is larger than the sum of its proper divisors (1).

4428361577 is an equidigital number, since it uses as much as digits as its factorization.

4428361577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1128960, while the sum is 47.

The square root of 4428361577 is about 66545.9358413420. The cubic root of 4428361577 is about 1642.1557978209.

The spelling of 4428361577 in words is "four billion, four hundred twenty-eight million, three hundred sixty-one thousand, five hundred seventy-seven".