6001440013 has 4 divisors (see below), whose sum is σ = 6006388828. Its totient is φ = 5996491200.

The previous prime is 6001439999. The next prime is 6001440019. The reversal of 6001440013 is 3100441006.

It is a happy number.

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 1928702889 + 4072737124 = 43917^2 + 63818^2 .

It is a cyclic number.

It is not a de Polignac number, because 6001440013 - 2⁵ = 6001439981 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 (6001440019) 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, 2472588 + ... + 2475013.

It is an arithmetic number, because the mean of its divisors is an integer number (1501597207).

Almost surely, 2^6001440013 is an apocalyptic number.

It is an amenable number.

6001440013 is a deficient number, since it is larger than the sum of its proper divisors (4948815).

6001440013 is a wasteful number, since it uses less digits than its factorization.

6001440013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4948814.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 6001440013 is about 77468.9616104411. The cubic root of 6001440013 is about 1817.2659521637.

Adding to 6001440013 its reverse (3100441006), we get a palindrome (9101881019).

The spelling of 6001440013 in words is "six billion, one million, four hundred forty thousand, thirteen".