64332312533 has 8 divisors (see below), whose sum is σ = 64560125952. Its totient is φ = 64104656176.

The previous prime is 64332312479. The next prime is 64332312589. The reversal of 64332312533 is 33521323346.

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 64332312533 - 2⁶ = 64332312469 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64332312493 and 64332312502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64332312593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 814016 + ... + 889542.

It is an arithmetic number, because the mean of its divisors is an integer number (8070015744).

Almost surely, 2^64332312533 is an apocalyptic number.

It is an amenable number.

64332312533 is a deficient number, since it is larger than the sum of its proper divisors (227813419).

64332312533 is a wasteful number, since it uses less digits than its factorization.

64332312533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78531.

The product of its digits is 116640, while the sum is 35.

Adding to 64332312533 its reverse (33521323346), we get a palindrome (97853635879).

The spelling of 64332312533 in words is "sixty-four billion, three hundred thirty-two million, three hundred twelve thousand, five hundred thirty-three".