2513520144242 has 8 divisors (see below), whose sum is σ = 3771323758956. Its totient is φ = 1256412224592.

The previous prime is 2513520144217. The next prime is 2513520144253. The reversal of 2513520144242 is 2424410253152.

It can be written as a sum of positive squares in 2 ways, for example, as 2253064042441 + 260456101801 = 1501021^2 + 510349^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173914733 + ... + 173929184.

Almost surely, 2^{2513520144242} is an apocalyptic number.

2513520144242 is a deficient number, since it is larger than the sum of its proper divisors (1257803614714).

2513520144242 is a wasteful number, since it uses less digits than its factorization.

2513520144242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347847532.

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 2513520144242 its reverse (2424410253152), we get a palindrome (4937930397394).

The spelling of 2513520144242 in words is "two trillion, five hundred thirteen billion, five hundred twenty million, one hundred forty-four thousand, two hundred forty-two".