2340638513 has 8 divisors (see below), whose sum is σ = 2352483936. Its totient is φ = 2328811200.

The previous prime is 2340638497. The next prime is 2340638543. The reversal of 2340638513 is 3158360432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2340638513 - 2⁴ = 2340638497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2340638543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307370 + ... + 314892.

It is an arithmetic number, because the mean of its divisors is an integer number (294060492).

Almost surely, 2^2340638513 is an apocalyptic number.

It is an amenable number.

2340638513 is a deficient number, since it is larger than the sum of its proper divisors (11845423).

2340638513 is a wasteful number, since it uses less digits than its factorization.

2340638513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9055.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 2340638513 is about 48380.1458555056. The cubic root of 2340638513 is about 1327.7351381304.

Adding to 2340638513 its reverse (3158360432), we get a palindrome (5498998945).

The spelling of 2340638513 in words is "two billion, three hundred forty million, six hundred thirty-eight thousand, five hundred thirteen".