2544340513 has 32 divisors (see below), whose sum is σ = 3184900992. Its totient is φ = 1996876800.

The previous prime is 2544340511. The next prime is 2544340517. The reversal of 2544340513 is 3150434452.

2544340513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2544340513 - 2¹ = 2544340511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2544340511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 393043 + ... + 399463.

It is an arithmetic number, because the mean of its divisors is an integer number (99528156).

Almost surely, 2^2544340513 is an apocalyptic number.

It is an amenable number.

2544340513 is a deficient number, since it is larger than the sum of its proper divisors (640560479).

2544340513 is a wasteful number, since it uses less digits than its factorization.

2544340513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6625.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 2544340513 is about 50441.4562934101. The cubic root of 2544340513 is about 1365.1857436637.

Adding to 2544340513 its reverse (3150434452), we get a palindrome (5694774965).

It can be divided in two parts, 25443 and 40513, that added together give a palindrome (65956).

The spelling of 2544340513 in words is "two billion, five hundred forty-four million, three hundred forty thousand, five hundred thirteen".