65032959618431 has 48 divisors (see below), whose sum is σ = 78505684040448. Its totient is φ = 53675492169600.

The previous prime is 65032959618413. The next prime is 65032959618461. The reversal of 65032959618431 is 13481695923056.

It is not a de Polignac number, because 65032959618431 - 2¹⁴ = 65032959602047 is a prime.

It is a super-2 number, since 2×65032959618431² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65032959618461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 171727016 + ... + 172105298.

It is an arithmetic number, because the mean of its divisors is an integer number (1635535084176).

Almost surely, 2^{65032959618431} is an apocalyptic number.

65032959618431 is a deficient number, since it is larger than the sum of its proper divisors (13472724422017).

65032959618431 is a wasteful number, since it uses less digits than its factorization.

65032959618431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379452 (or 379445 counting only the distinct ones).

The product of its (nonzero) digits is 41990400, while the sum is 62.

The spelling of 65032959618431 in words is "sixty-five trillion, thirty-two billion, nine hundred fifty-nine million, six hundred eighteen thousand, four hundred thirty-one".