244020430013 has 4 divisors (see below), whose sum is σ = 256863610560. Its totient is φ = 231177249468.

The previous prime is 244020429979. The next prime is 244020430111. The reversal of 244020430013 is 310034020442.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 244020430013 - 2²² = 244016235709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244020430513) 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, 6421590245 + ... + 6421590282.

It is an arithmetic number, because the mean of its divisors is an integer number (64215902640).

Almost surely, 2^244020430013 is an apocalyptic number.

It is an amenable number.

244020430013 is a deficient number, since it is larger than the sum of its proper divisors (12843180547).

244020430013 is a wasteful number, since it uses less digits than its factorization.

244020430013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12843180546.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 244020430013 its reverse (310034020442), we get a palindrome (554054450455).

The spelling of 244020430013 in words is "two hundred forty-four billion, twenty million, four hundred thirty thousand, thirteen".