2445775441 has 2 divisors, whose sum is σ = 2445775442. Its totient is φ = 2445775440.

The previous prime is 2445775417. The next prime is 2445775459. The reversal of 2445775441 is 1445775442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1755610000 + 690165441 = 41900^2 + 26271^2 .

It is a cyclic number.

It is not a de Polignac number, because 2445775441 - 2⁷ = 2445775313 is a prime.

It is not a weakly prime, because it can be changed into another prime (2445775481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1222887720 + 1222887721.

It is an arithmetic number, because the mean of its divisors is an integer number (1222887721).

Almost surely, 2^2445775441 is an apocalyptic number.

It is an amenable number.

2445775441 is a deficient number, since it is larger than the sum of its proper divisors (1).

2445775441 is an equidigital number, since it uses as much as digits as its factorization.

2445775441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 627200, while the sum is 43.

The square root of 2445775441 is about 49454.7817809360. The cubic root of 2445775441 is about 1347.3244569004.

Subtracting from 2445775441 its reverse (1445775442), we obtain a palindrome (999999999).

The spelling of 2445775441 in words is "two billion, four hundred forty-five million, seven hundred seventy-five thousand, four hundred forty-one".