645332004333 has 96 divisors (see below), whose sum is σ = 978057400320. Its totient is φ = 409719340800.

The previous prime is 645332004281. The next prime is 645332004341. The reversal of 645332004333 is 333400233546.

645332004333 is a `hidden beast` number, since 64 + 533 + 20 + 0 + 43 + 3 + 3 = 666.

645332004333 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 645332004333 - 2⁶ = 645332004269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (645332004433) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 868548760 + ... + 868549502.

It is an arithmetic number, because the mean of its divisors is an integer number (10188097920).

Almost surely, 2^645332004333 is an apocalyptic number.

It is an amenable number.

645332004333 is a deficient number, since it is larger than the sum of its proper divisors (332725395987).

645332004333 is a wasteful number, since it uses less digits than its factorization.

645332004333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199 (or 1196 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 36.

Adding to 645332004333 its reverse (333400233546), we get a palindrome (978732237879).

The spelling of 645332004333 in words is "six hundred forty-five billion, three hundred thirty-two million, four thousand, three hundred thirty-three".