2511686413 has 2 divisors, whose sum is σ = 2511686414. Its totient is φ = 2511686412.

The previous prime is 2511686393. The next prime is 2511686431. The reversal of 2511686413 is 3146861152.

It is a happy number.

2511686413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (2511686431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2509308649 + 2377764 = 50093^2 + 1542^2 .

It is a cyclic number.

It is not a de Polignac number, because 2511686413 - 2⁵ = 2511686381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2511686453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1255843206 + 1255843207.

It is an arithmetic number, because the mean of its divisors is an integer number (1255843207).

Almost surely, 2^2511686413 is an apocalyptic number.

It is an amenable number.

2511686413 is a deficient number, since it is larger than the sum of its proper divisors (1).

2511686413 is an equidigital number, since it uses as much as digits as its factorization.

2511686413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 37.

The square root of 2511686413 is about 50116.7278760296. The cubic root of 2511686413 is about 1359.3203086134.

The spelling of 2511686413 in words is "two billion, five hundred eleven million, six hundred eighty-six thousand, four hundred thirteen".