33420045453 has 4 divisors (see below), whose sum is σ = 44560060608. Its totient is φ = 22280030300.

The previous prime is 33420045433. The next prime is 33420045509. The reversal of 33420045453 is 35454002433.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35454002433 = 3 ⋅11818000811.

It is a cyclic number.

It is not a de Polignac number, because 33420045453 - 2⁹ = 33420044941 is a prime.

It is a super-3 number, since 3×33420045453³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33420045433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5570007573 + ... + 5570007578.

It is an arithmetic number, because the mean of its divisors is an integer number (11140015152).

Almost surely, 2^33420045453 is an apocalyptic number.

It is an amenable number.

33420045453 is a deficient number, since it is larger than the sum of its proper divisors (11140015155).

33420045453 is a wasteful number, since it uses less digits than its factorization.

33420045453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11140015154.

The product of its (nonzero) digits is 86400, while the sum is 33.

Adding to 33420045453 its reverse (35454002433), we get a palindrome (68874047886).

The spelling of 33420045453 in words is "thirty-three billion, four hundred twenty million, forty-five thousand, four hundred fifty-three".