33504304345 has 4 divisors (see below), whose sum is σ = 40205165220. Its totient is φ = 26803443472.

The previous prime is 33504304297. The next prime is 33504304349. The reversal of 33504304345 is 54340340533.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54340340533 = 65393 ⋅830981.

It can be written as a sum of positive squares in 2 ways, for example, as 10603232784 + 22901071561 = 102972^2 + 151331^2 .

It is a cyclic number.

It is not a de Polignac number, because 33504304345 - 2²⁵ = 33470749913 is a prime.

It is a super-2 number, since 2×33504304345² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33504304345.

It is not an unprimeable number, because it can be changed into a prime (33504304349) 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, 3350430430 + ... + 3350430439.

It is an arithmetic number, because the mean of its divisors is an integer number (10051291305).

Almost surely, 2^33504304345 is an apocalyptic number.

It is an amenable number.

33504304345 is a deficient number, since it is larger than the sum of its proper divisors (6700860875).

33504304345 is an equidigital number, since it uses as much as digits as its factorization.

33504304345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6700860874.

The product of its (nonzero) digits is 129600, while the sum is 34.

Adding to 33504304345 its reverse (54340340533), we get a palindrome (87844644878).

The spelling of 33504304345 in words is "thirty-three billion, five hundred four million, three hundred four thousand, three hundred forty-five".