433420013 has 4 divisors (see below), whose sum is σ = 466760028. Its totient is φ = 400080000.

The previous prime is 433420007. The next prime is 433420019. The reversal of 433420013 is 310024334.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (433420007) and next prime (433420019).

It can be written as a sum of positive squares in 2 ways, for example, as 108951844 + 324468169 = 10438^2 + 18013^2 .

It is a cyclic number.

It is not a de Polignac number, because 433420013 - 2⁸ = 433419757 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 (433420019) 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, 16669988 + ... + 16670013.

It is an arithmetic number, because the mean of its divisors is an integer number (116690007).

Almost surely, 2^433420013 is an apocalyptic number.

It is an amenable number.

433420013 is a deficient number, since it is larger than the sum of its proper divisors (33340015).

433420013 is a wasteful number, since it uses less digits than its factorization.

433420013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33340014.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 433420013 is about 20818.7418688066. The cubic root of 433420013 is about 756.7800130572.

Adding to 433420013 its reverse (310024334), we get a palindrome (743444347).

The spelling of 433420013 in words is "four hundred thirty-three million, four hundred twenty thousand, thirteen".