2666324513 has 4 divisors (see below), whose sum is σ = 2671800000. Its totient is φ = 2660849028.

The previous prime is 2666324509. The next prime is 2666324527. The reversal of 2666324513 is 3154236662.

It is a happy number.

2666324513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2666324513 - 2² = 2666324509 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2666324533) 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, 2737013 + ... + 2737986.

It is an arithmetic number, because the mean of its divisors is an integer number (667950000).

Almost surely, 2^2666324513 is an apocalyptic number.

It is an amenable number.

2666324513 is a deficient number, since it is larger than the sum of its proper divisors (5475487).

2666324513 is an equidigital number, since it uses as much as digits as its factorization.

2666324513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5475486.

The product of its digits is 155520, while the sum is 38.

The square root of 2666324513 is about 51636.4649545261. The cubic root of 2666324513 is about 1386.6632371389.

The spelling of 2666324513 in words is "two billion, six hundred sixty-six million, three hundred twenty-four thousand, five hundred thirteen".