33254453213 has 4 divisors (see below), whose sum is σ = 33266345340. Its totient is φ = 33242561088.

The previous prime is 33254453161. The next prime is 33254453233. The reversal of 33254453213 is 31235445233.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31235445233 = 19301 ⋅1618333.

It can be written as a sum of positive squares in 2 ways, for example, as 30799548004 + 2454905209 = 175498^2 + 49547^2 .

It is a cyclic number.

It is not a de Polignac number, because 33254453213 - 2¹² = 33254449117 is a prime.

It is a super-2 number, since 2×33254453213² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33254453233) 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, 5941868 + ... + 5947461.

It is an arithmetic number, because the mean of its divisors is an integer number (8316586335).

Almost surely, 2^33254453213 is an apocalyptic number.

It is an amenable number.

33254453213 is a deficient number, since it is larger than the sum of its proper divisors (11892127).

33254453213 is a wasteful number, since it uses less digits than its factorization.

33254453213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11892126.

The product of its digits is 129600, while the sum is 35.

Adding to 33254453213 its reverse (31235445233), we get a palindrome (64489898446).

The spelling of 33254453213 in words is "thirty-three billion, two hundred fifty-four million, four hundred fifty-three thousand, two hundred thirteen".