3421421447 has 8 divisors (see below), whose sum is σ = 3678124800. Its totient is φ = 3172380984.

The previous prime is 3421421417. The next prime is 3421421449. The reversal of 3421421447 is 7441241243.

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 3421421447 - 2²⁰ = 3420372871 is a prime.

It is a super-2 number, since 2×3421421447² = 23412249435983147618, which 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 (3421421449) 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, 1914797 + ... + 1916582.

It is an arithmetic number, because the mean of its divisors is an integer number (459765600).

Almost surely, 2^3421421447 is an apocalyptic number.

3421421447 is a deficient number, since it is larger than the sum of its proper divisors (256703353).

3421421447 is a wasteful number, since it uses less digits than its factorization.

3421421447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3831445.

The product of its digits is 21504, while the sum is 32.

The square root of 3421421447 is about 58492.9179217450. The cubic root of 3421421447 is about 1506.8459591033.

The spelling of 3421421447 in words is "three billion, four hundred twenty-one million, four hundred twenty-one thousand, four hundred forty-seven".