33540066332453 has 4 divisors (see below), whose sum is σ = 33585823586028. Its totient is φ = 33494309078880.

The previous prime is 33540066332431. The next prime is 33540066332533. The reversal of 33540066332453 is 35423366004533.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24391123155169 + 9148943177284 = 4938737^2 + 3024722^2 .

It is a cyclic number.

It is not a de Polignac number, because 33540066332453 - 2³⁸ = 33265188425509 is a prime.

It is a super-2 number, since 2×33540066332453² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33540066332398 and 33540066332407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33540066332413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22878625688 + ... + 22878627153.

It is an arithmetic number, because the mean of its divisors is an integer number (8396455896507).

Almost surely, 2^{33540066332453} is an apocalyptic number.

It is an amenable number.

33540066332453 is a deficient number, since it is larger than the sum of its proper divisors (45757253575).

33540066332453 is an equidigital number, since it uses as much as digits as its factorization.

33540066332453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45757253574.

The product of its (nonzero) digits is 6998400, while the sum is 47.

The spelling of 33540066332453 in words is "thirty-three trillion, five hundred forty billion, sixty-six million, three hundred thirty-two thousand, four hundred fifty-three".