33433045409 has 4 divisors (see below), whose sum is σ = 33500046000. Its totient is φ = 33366044820.

The previous prime is 33433045363. The next prime is 33433045423. The reversal of 33433045409 is 90454033433.

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: 90454033433 = 1277 ⋅70833229.

It is a cyclic number.

It is not a de Polignac number, because 33433045409 - 2³² = 29138078113 is a prime.

It is a super-2 number, since 2×33433045409² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

33433045409 is a modest number, since divided by 45409 gives 33433 as remainder.

It is not an unprimeable number, because it can be changed into a prime (33433045439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33499547 + ... + 33500544.

It is an arithmetic number, because the mean of its divisors is an integer number (8375011500).

Almost surely, 2^33433045409 is an apocalyptic number.

It is an amenable number.

33433045409 is a deficient number, since it is larger than the sum of its proper divisors (67000591).

33433045409 is an equidigital number, since it uses as much as digits as its factorization.

33433045409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67000590.

The product of its (nonzero) digits is 233280, while the sum is 38.

The spelling of 33433045409 in words is "thirty-three billion, four hundred thirty-three million, forty-five thousand, four hundred nine".