33420604213 has 4 divisors (see below), whose sum is σ = 33421064940. Its totient is φ = 33420143488.

The previous prime is 33420604207. The next prime is 33420604219. The reversal of 33420604213 is 31240602433.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31240602433 = 41 ⋅761965913.

It is an interprime number because it is at equal distance from previous prime (33420604207) and next prime (33420604219).

It can be written as a sum of positive squares in 2 ways, for example, as 15850306404 + 17570297809 = 125898^2 + 132553^2 .

It is a cyclic number.

It is not a de Polignac number, because 33420604213 - 2⁹ = 33420603701 is a prime.

It is a super-2 number, since 2×33420604213² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33420604219) 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, 95068 + ... + 275461.

It is an arithmetic number, because the mean of its divisors is an integer number (8355266235).

Almost surely, 2^33420604213 is an apocalyptic number.

It is an amenable number.

33420604213 is a deficient number, since it is larger than the sum of its proper divisors (460727).

33420604213 is an equidigital number, since it uses as much as digits as its factorization.

33420604213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460726.

The product of its (nonzero) digits is 10368, while the sum is 28.

The spelling of 33420604213 in words is "thirty-three billion, four hundred twenty million, six hundred four thousand, two hundred thirteen".