33053145324613 has 4 divisors (see below), whose sum is σ = 33053841125280. Its totient is φ = 33052449523948.

The previous prime is 33053145324559. The next prime is 33053145324643. The reversal of 33053145324613 is 31642354135033.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33053145324613 is a prime.

It is a super-2 number, since 2×33053145324613² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33053145324613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33053145324643) 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, 347829073 + ... + 347924086.

It is an arithmetic number, because the mean of its divisors is an integer number (8263460281320).

Almost surely, 2^{33053145324613} is an apocalyptic number.

It is an amenable number.

33053145324613 is a deficient number, since it is larger than the sum of its proper divisors (695800667).

33053145324613 is an equidigital number, since it uses as much as digits as its factorization.

33053145324613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695800666.

The product of its (nonzero) digits is 1166400, while the sum is 43.

Adding to 33053145324613 its reverse (31642354135033), we get a palindrome (64695499459646).

The spelling of 33053145324613 in words is "thirty-three trillion, fifty-three billion, one hundred forty-five million, three hundred twenty-four thousand, six hundred thirteen".