33534543413 has 12 divisors (see below), whose sum is σ = 39961026252. Its totient is φ = 28042822080.

The previous prime is 33534543379. The next prime is 33534543431. The reversal of 33534543413 is 31434543533.

It can be written as a sum of positive squares in 2 ways, for example, as 983888689 + 32550654724 = 31367^2 + 180418^2 .

It is not a de Polignac number, because 33534543413 - 2²⁰ = 33533494837 is a prime.

It is a super-2 number, since 2×33534543413² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33534543463) 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, 8344070 + ... + 8348087.

It is an arithmetic number, because the mean of its divisors is an integer number (3330085521).

Almost surely, 2^33534543413 is an apocalyptic number.

It is an amenable number.

33534543413 is a deficient number, since it is larger than the sum of its proper divisors (6426482839).

33534543413 is a wasteful number, since it uses less digits than its factorization.

33534543413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16692212 (or 16692205 counting only the distinct ones).

The product of its digits is 388800, while the sum is 38.

The spelling of 33534543413 in words is "thirty-three billion, five hundred thirty-four million, five hundred forty-three thousand, four hundred thirteen".