3421882561 has 4 divisors (see below), whose sum is σ = 3422074500. Its totient is φ = 3421690624.

The previous prime is 3421882547. The next prime is 3421882567. The reversal of 3421882561 is 1652881243.

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 3093584400 + 328298161 = 55620^2 + 18119^2 .

It is a cyclic number.

It is not a de Polignac number, because 3421882561 - 2⁹ = 3421882049 is a prime.

It is a super-2 number, since 2×3421882561² = 23418560522551837442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3421882567) 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 3 ways as a sum of consecutive naturals, for example, 66136 + ... + 105913.

It is an arithmetic number, because the mean of its divisors is an integer number (855518625).

Almost surely, 2^3421882561 is an apocalyptic number.

It is an amenable number.

3421882561 is a deficient number, since it is larger than the sum of its proper divisors (191939).

3421882561 is a wasteful number, since it uses less digits than its factorization.

3421882561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191938.

The product of its digits is 92160, while the sum is 40.

The square root of 3421882561 is about 58496.8594114248. The cubic root of 3421882561 is about 1506.9136499316.

The spelling of 3421882561 in words is "three billion, four hundred twenty-one million, eight hundred eighty-two thousand, five hundred sixty-one".