33506540343 has 12 divisors (see below), whose sum is σ = 48404049408. Its totient is φ = 22335056640.

The previous prime is 33506540329. The next prime is 33506540393. The reversal of 33506540343 is 34304560533.

33506540343 is a `hidden beast` number, since 33 + 50 + 6 + 540 + 34 + 3 = 666.

It is not a de Polignac number, because 33506540343 - 2⁸ = 33506540087 is a prime.

It is a super-2 number, since 2×33506540343² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33506540298 and 33506540307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33506540393) 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, 137655 + ... + 293192.

It is an arithmetic number, because the mean of its divisors is an integer number (4033670784).

Almost surely, 2^33506540343 is an apocalyptic number.

33506540343 is a deficient number, since it is larger than the sum of its proper divisors (14897509065).

33506540343 is a wasteful number, since it uses less digits than its factorization.

33506540343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439494 (or 439491 counting only the distinct ones).

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

The spelling of 33506540343 in words is "thirty-three billion, five hundred six million, five hundred forty thousand, three hundred forty-three".