33001245413 has 4 divisors (see below), whose sum is σ = 33005118720. Its totient is φ = 32997372108.

The previous prime is 33001245401. The next prime is 33001245419. The reversal of 33001245413 is 31454210033.

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 not a de Polignac number, because 33001245413 - 2⁶ = 33001245349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33001245419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1923845 + ... + 1940922.

It is an arithmetic number, because the mean of its divisors is an integer number (8251279680).

Almost surely, 2^33001245413 is an apocalyptic number.

It is an amenable number.

33001245413 is a deficient number, since it is larger than the sum of its proper divisors (3873307).

33001245413 is an equidigital number, since it uses as much as digits as its factorization.

33001245413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3873306.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 33001245413 its reverse (31454210033), we get a palindrome (64455455446).

The spelling of 33001245413 in words is "thirty-three billion, one million, two hundred forty-five thousand, four hundred thirteen".