2005342100513 has 4 divisors (see below), whose sum is σ = 2059540535700. Its totient is φ = 1951143665328.

The previous prime is 2005342100483. The next prime is 2005342100521. The reversal of 2005342100513 is 3150012435002.

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 1213220740369 + 792121360144 = 1101463^2 + 890012^2 .

It is a cyclic number.

It is not a de Polignac number, because 2005342100513 - 2³⁰ = 2004268358689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2005342100533) 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, 27099217538 + ... + 27099217611.

It is an arithmetic number, because the mean of its divisors is an integer number (514885133925).

Almost surely, 2^{2005342100513} is an apocalyptic number.

It is an amenable number.

2005342100513 is a deficient number, since it is larger than the sum of its proper divisors (54198435187).

2005342100513 is an equidigital number, since it uses as much as digits as its factorization.

2005342100513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54198435186.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 2005342100513 its reverse (3150012435002), we get a palindrome (5155354535515).

The spelling of 2005342100513 in words is "two trillion, five billion, three hundred forty-two million, one hundred thousand, five hundred thirteen".