2630256513 has 16 divisors (see below), whose sum is σ = 3562331136. Its totient is φ = 1726048080.

The previous prime is 2630256511. The next prime is 2630256523. The reversal of 2630256513 is 3156520362.

It is not a de Polignac number, because 2630256513 - 2¹ = 2630256511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2630256511) 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, 26118 + ... + 77088.

It is an arithmetic number, because the mean of its divisors is an integer number (222645696).

Almost surely, 2^2630256513 is an apocalyptic number.

It is an amenable number.

2630256513 is a deficient number, since it is larger than the sum of its proper divisors (932074623).

2630256513 is a wasteful number, since it uses less digits than its factorization.

2630256513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51244.

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

The square root of 2630256513 is about 51286.0264887035. The cubic root of 2630256513 is about 1380.3822565300.

Adding to 2630256513 its reverse (3156520362), we get a palindrome (5786776875).

The spelling of 2630256513 in words is "two billion, six hundred thirty million, two hundred fifty-six thousand, five hundred thirteen".