2573636013 has 48 divisors (see below), whose sum is σ = 4244968000. Its totient is φ = 1489446144.

The previous prime is 2573635963. The next prime is 2573636041. The reversal of 2573636013 is 3106363752.

2573636013 is a `hidden beast` number, since 2 + 5 + 7 + 3 + 636 + 0 + 13 = 666.

2573636013 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 2573636013 - 2¹³ = 2573627821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2573636413) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 304833 + ... + 313161.

Almost surely, 2^2573636013 is an apocalyptic number.

It is an amenable number.

2573636013 is a deficient number, since it is larger than the sum of its proper divisors (1671331987).

2573636013 is a wasteful number, since it uses less digits than its factorization.

2573636013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8506 (or 8503 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 36.

The square root of 2573636013 is about 50731.0162819552. The cubic root of 2573636013 is about 1370.4053381754.

Adding to 2573636013 its reverse (3106363752), we get a palindrome (5679999765).

The spelling of 2573636013 in words is "two billion, five hundred seventy-three million, six hundred thirty-six thousand, thirteen".