4202555449 has 2 divisors, whose sum is σ = 4202555450. Its totient is φ = 4202555448.

The previous prime is 4202555327. The next prime is 4202555459. The reversal of 4202555449 is 9445552024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2870816400 + 1331739049 = 53580^2 + 36493^2 .

It is a cyclic number.

It is not a de Polignac number, because 4202555449 - 2⁷ = 4202555321 is a prime.

It is a super-2 number, since 2×4202555449² = 35322944603839183202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4202555459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2101277724 + 2101277725.

It is an arithmetic number, because the mean of its divisors is an integer number (2101277725).

Almost surely, 2^4202555449 is an apocalyptic number.

It is an amenable number.

4202555449 is a deficient number, since it is larger than the sum of its proper divisors (1).

4202555449 is an equidigital number, since it uses as much as digits as its factorization.

4202555449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288000, while the sum is 40.

The square root of 4202555449 is about 64827.1197030996. The cubic root of 4202555449 is about 1613.7558046512.

The spelling of 4202555449 in words is "four billion, two hundred two million, five hundred fifty-five thousand, four hundred forty-nine".