2067436421 has 8 divisors (see below), whose sum is σ = 2076961824. Its totient is φ = 2057928400.

The previous prime is 2067436403. The next prime is 2067436451. The reversal of 2067436421 is 1246347602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2067436421 - 2¹⁰ = 2067435397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2067436451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273746 + ... + 281196.

It is an arithmetic number, because the mean of its divisors is an integer number (259620228).

Almost surely, 2^2067436421 is an apocalyptic number.

It is an amenable number.

2067436421 is a deficient number, since it is larger than the sum of its proper divisors (9525403).

2067436421 is an equidigital number, since it uses as much as digits as its factorization.

2067436421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8691.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 2067436421 is about 45469.0710373546. The cubic root of 2067436421 is about 1273.9255684528.

The spelling of 2067436421 in words is "two billion, sixty-seven million, four hundred thirty-six thousand, four hundred twenty-one".