244420325513 has 8 divisors (see below), whose sum is σ = 300825016128. Its totient is φ = 193387510224.

The previous prime is 244420325503. The next prime is 244420325537. The reversal of 244420325513 is 315523024442.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 244420325513 - 2¹⁸ = 244420063369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (244420325503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1342968731 + ... + 1342968912.

It is an arithmetic number, because the mean of its divisors is an integer number (37603127016).

Almost surely, 2^244420325513 is an apocalyptic number.

It is an amenable number.

244420325513 is a deficient number, since it is larger than the sum of its proper divisors (56404690615).

244420325513 is a wasteful number, since it uses less digits than its factorization.

244420325513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2685937663.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 244420325513 its reverse (315523024442), we get a palindrome (559943349955).

The spelling of 244420325513 in words is "two hundred forty-four billion, four hundred twenty million, three hundred twenty-five thousand, five hundred thirteen".