244520636413 has 16 divisors (see below), whose sum is σ = 253510580736. Its totient is φ = 235664985600.

The previous prime is 244520636387. The next prime is 244520636417. The reversal of 244520636413 is 314636025442.

It is a cyclic number.

It is not a de Polignac number, because 244520636413 - 2⁹ = 244520635901 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 (244520636417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1910220 + ... + 2034202.

It is an arithmetic number, because the mean of its divisors is an integer number (15844411296).

Almost surely, 2^244520636413 is an apocalyptic number.

It is an amenable number.

244520636413 is a deficient number, since it is larger than the sum of its proper divisors (8989944323).

244520636413 is a wasteful number, since it uses less digits than its factorization.

244520636413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124524.

The product of its (nonzero) digits is 414720, while the sum is 40.

The spelling of 244520636413 in words is "two hundred forty-four billion, five hundred twenty million, six hundred thirty-six thousand, four hundred thirteen".