326403052533 has 12 divisors (see below), whose sum is σ = 480366757260. Its totient is φ = 213496335936.

The previous prime is 326403052489. The next prime is 326403052561. The reversal of 326403052533 is 335250304623.

326403052533 is a `hidden beast` number, since 3 + 2 + 6 + 40 + 30 + 52 + 533 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 144033912324 + 182369140209 = 379518^2 + 427047^2 .

It is not a de Polignac number, because 326403052533 - 2²⁰ = 326402003957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326403002533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 342141088 + ... + 342142041.

It is an arithmetic number, because the mean of its divisors is an integer number (40030563105).

Almost surely, 2^326403052533 is an apocalyptic number.

It is an amenable number.

326403052533 is a deficient number, since it is larger than the sum of its proper divisors (153963704727).

326403052533 is a wasteful number, since it uses less digits than its factorization.

326403052533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684283188 (or 684283185 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 36.

The spelling of 326403052533 in words is "three hundred twenty-six billion, four hundred three million, fifty-two thousand, five hundred thirty-three".