2513513643 has 16 divisors (see below), whose sum is σ = 3403895040. Its totient is φ = 1649441376.

The previous prime is 2513513641. The next prime is 2513513659. The reversal of 2513513643 is 3463153152.

2513513643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2513513643 - 2¹ = 2513513641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2513513641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325218 + ... + 332856.

It is an arithmetic number, because the mean of its divisors is an integer number (212743440).

Almost surely, 2^2513513643 is an apocalyptic number.

2513513643 is a deficient number, since it is larger than the sum of its proper divisors (890381397).

2513513643 is a wasteful number, since it uses less digits than its factorization.

2513513643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9346.

The product of its digits is 32400, while the sum is 33.

The square root of 2513513643 is about 50134.9543033600. The cubic root of 2513513643 is about 1359.6498599414.

Adding to 2513513643 its reverse (3463153152), we get a palindrome (5976666795).

The spelling of 2513513643 in words is "two billion, five hundred thirteen million, five hundred thirteen thousand, six hundred forty-three".