65425134613 has 2 divisors, whose sum is σ = 65425134614. Its totient is φ = 65425134612.

The previous prime is 65425134611. The next prime is 65425134617. The reversal of 65425134613 is 31643152456.

65425134613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43128074929 + 22297059684 = 207673^2 + 149322^2 .

It is a cyclic number.

It is not a de Polignac number, because 65425134613 - 2¹ = 65425134611 is a prime.

Together with 65425134611, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65425134611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32712567306 + 32712567307.

It is an arithmetic number, because the mean of its divisors is an integer number (32712567307).

Almost surely, 2^65425134613 is an apocalyptic number.

It is an amenable number.

65425134613 is a deficient number, since it is larger than the sum of its proper divisors (1).

65425134613 is an equidigital number, since it uses as much as digits as its factorization.

65425134613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200, while the sum is 40.

The spelling of 65425134613 in words is "sixty-five billion, four hundred twenty-five million, one hundred thirty-four thousand, six hundred thirteen".