3421421213 has 8 divisors (see below), whose sum is σ = 3915580032. Its totient is φ = 2928608496.

The previous prime is 3421421209. The next prime is 3421421239. The reversal of 3421421213 is 3121241243.

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 3421421213 - 2² = 3421421209 is a prime.

It is a super-2 number, since 2×3421421213² = 23412246233532782738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3421421243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331070 + ... + 341247.

It is an arithmetic number, because the mean of its divisors is an integer number (489447504).

Almost surely, 2^3421421213 is an apocalyptic number.

It is an amenable number.

3421421213 is a deficient number, since it is larger than the sum of its proper divisors (494158819).

3421421213 is an equidigital number, since it uses as much as digits as its factorization.

3421421213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673051.

The product of its digits is 1152, while the sum is 23.

The square root of 3421421213 is about 58492.9159215028. The cubic root of 3421421213 is about 1506.8459247509.

Adding to 3421421213 its reverse (3121241243), we get a palindrome (6542662456).

The spelling of 3421421213 in words is "three billion, four hundred twenty-one million, four hundred twenty-one thousand, two hundred thirteen".