6601360013 has 4 divisors (see below), whose sum is σ = 6610914048. Its totient is φ = 6591805980.

The previous prime is 6601359923. The next prime is 6601360063. The reversal of 6601360013 is 3100631066.

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 6601360013 - 2¹⁰ = 6601358989 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 (6601360063) 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, 4775981 + ... + 4777362.

It is an arithmetic number, because the mean of its divisors is an integer number (1652728512).

Almost surely, 2^6601360013 is an apocalyptic number.

It is an amenable number.

6601360013 is a deficient number, since it is larger than the sum of its proper divisors (9554035).

6601360013 is an equidigital number, since it uses as much as digits as its factorization.

6601360013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9554034.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 6601360013 is about 81248.7539165986. The cubic root of 6601360013 is about 1875.9062890294.

Adding to 6601360013 its reverse (3100631066), we get a palindrome (9701991079).

The spelling of 6601360013 in words is "six billion, six hundred one million, three hundred sixty thousand, thirteen".