245244344441 has 4 divisors (see below), whose sum is σ = 246027873012. Its totient is φ = 244460815872.

The previous prime is 245244344417. The next prime is 245244344473. The reversal of 245244344441 is 144443442542.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 74182693225 + 171061651216 = 272365^2 + 413596^2 .

It is a cyclic number.

It is not a de Polignac number, because 245244344441 - 2¹⁰ = 245244343417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245244346441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391763816 + ... + 391764441.

It is an arithmetic number, because the mean of its divisors is an integer number (61506968253).

Almost surely, 2^245244344441 is an apocalyptic number.

It is an amenable number.

245244344441 is a deficient number, since it is larger than the sum of its proper divisors (783528571).

245244344441 is an equidigital number, since it uses as much as digits as its factorization.

245244344441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783528570.

The product of its digits is 983040, while the sum is 41.

Adding to 245244344441 its reverse (144443442542), we get a palindrome (389687786983).

The spelling of 245244344441 in words is "two hundred forty-five billion, two hundred forty-four million, three hundred forty-four thousand, four hundred forty-one".