2445555449 has 2 divisors, whose sum is σ = 2445555450. Its totient is φ = 2445555448.

The previous prime is 2445555433. The next prime is 2445555457. The reversal of 2445555449 is 9445555442.

2445555449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2272238224 + 173317225 = 47668^2 + 13165^2 .

It is a cyclic number.

It is not a de Polignac number, because 2445555449 - 2⁴ = 2445555433 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2445555419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1222777724 + 1222777725.

It is an arithmetic number, because the mean of its divisors is an integer number (1222777725).

Almost surely, 2^2445555449 is an apocalyptic number.

It is an amenable number.

2445555449 is a deficient number, since it is larger than the sum of its proper divisors (1).

2445555449 is an equidigital number, since it uses as much as digits as its factorization.

2445555449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880000, while the sum is 47.

The square root of 2445555449 is about 49452.5575577239. The cubic root of 2445555449 is about 1347.2840594210.

The spelling of 2445555449 in words is "two billion, four hundred forty-five million, five hundred fifty-five thousand, four hundred forty-nine".