65031426613 has 8 divisors (see below), whose sum is σ = 67883957568. Its totient is φ = 62180985504.

The previous prime is 65031426547. The next prime is 65031426617. The reversal of 65031426613 is 31662413056.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65031426613 - 2¹⁷ = 65031295541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65031426617) 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 7 ways as a sum of consecutive naturals, for example, 458695 + ... + 583492.

It is an arithmetic number, because the mean of its divisors is an integer number (8485494696).

Almost surely, 2^65031426613 is an apocalyptic number.

It is an amenable number.

65031426613 is a deficient number, since it is larger than the sum of its proper divisors (2852530955).

65031426613 is a wasteful number, since it uses less digits than its factorization.

65031426613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044923.

The product of its (nonzero) digits is 77760, while the sum is 37.

Adding to 65031426613 its reverse (31662413056), we get a palindrome (96693839669).

The spelling of 65031426613 in words is "sixty-five billion, thirty-one million, four hundred twenty-six thousand, six hundred thirteen".