65315426513 has 12 divisors (see below), whose sum is σ = 69011070960. Its totient is φ = 61646445936.

The previous prime is 65315426459. The next prime is 65315426531. The reversal of 65315426513 is 31562451356.

It is not a de Polignac number, because 65315426513 - 2¹⁶ = 65315360977 is a prime.

It is a super-2 number, since 2×65315426513² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65315426543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1351106 + ... + 1398612.

It is an arithmetic number, because the mean of its divisors is an integer number (5750922580).

Almost surely, 2^65315426513 is an apocalyptic number.

It is an amenable number.

65315426513 is a deficient number, since it is larger than the sum of its proper divisors (3695644447).

65315426513 is an equidigital number, since it uses as much as digits as its factorization.

65315426513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48064 (or 47795 counting only the distinct ones).

The product of its digits is 324000, while the sum is 41.

Adding to 65315426513 its reverse (31562451356), we get a palindrome (96877877869).

The spelling of 65315426513 in words is "sixty-five billion, three hundred fifteen million, four hundred twenty-six thousand, five hundred thirteen".