4424001020613 has 6 divisors (see below), whose sum is σ = 6390223696454. Its totient is φ = 2949334013736.

The previous prime is 4424001020591. The next prime is 4424001020623. The reversal of 4424001020613 is 3160201004244.

It is a happy number.

4424001020613 is a `hidden beast` number, since 4 + 4 + 2 + 40 + 0 + 1 + 0 + 2 + 0 + 613 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3055339690209 + 1368661330404 = 1747953^2 + 1169898^2 .

It is not a de Polignac number, because 4424001020613 - 2⁸ = 4424001020357 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 (4424001020623) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 245777834470 + ... + 245777834487.

Almost surely, 2^{4424001020613} is an apocalyptic number.

It is an amenable number.

4424001020613 is a deficient number, since it is larger than the sum of its proper divisors (1966222675841).

4424001020613 is a wasteful number, since it uses less digits than its factorization.

4424001020613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491555668963 (or 491555668960 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 4424001020613 its reverse (3160201004244), we get a palindrome (7584202024857).

The spelling of 4424001020613 in words is "four trillion, four hundred twenty-four billion, one million, twenty thousand, six hundred thirteen".