3413847421 has 4 divisors (see below), whose sum is σ = 3427131132. Its totient is φ = 3400563712.

The previous prime is 3413847389. The next prime is 3413847431. The reversal of 3413847421 is 1247483143.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3126375396 + 287472025 = 55914^2 + 16955^2 .

It is a cyclic number.

It is not a de Polignac number, because 3413847421 - 2⁵ = 3413847389 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 (3413847431) 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, 6641470 + ... + 6641983.

It is an arithmetic number, because the mean of its divisors is an integer number (856782783).

Almost surely, 2^3413847421 is an apocalyptic number.

It is an amenable number.

3413847421 is a deficient number, since it is larger than the sum of its proper divisors (13283711).

3413847421 is a wasteful number, since it uses less digits than its factorization.

3413847421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13283710.

The product of its digits is 64512, while the sum is 37.

The square root of 3413847421 is about 58428.1389486265. The cubic root of 3413847421 is about 1505.7332322614.

The spelling of 3413847421 in words is "three billion, four hundred thirteen million, eight hundred forty-seven thousand, four hundred twenty-one".