3568105421 has 2 divisors, whose sum is σ = 3568105422. Its totient is φ = 3568105420.

The previous prime is 3568105403. The next prime is 3568105423. The reversal of 3568105421 is 1245018653.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3174082921 + 394022500 = 56339^2 + 19850^2 .

It is an emirp because it is prime and its reverse (1245018653) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3568105421 - 2²⁶ = 3500996557 is a prime.

Together with 3568105423, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3568105423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1784052710 + 1784052711.

It is an arithmetic number, because the mean of its divisors is an integer number (1784052711).

Almost surely, 2^3568105421 is an apocalyptic number.

It is an amenable number.

3568105421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3568105421 is an equidigital number, since it uses as much as digits as its factorization.

3568105421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 3568105421 is about 59733.6205247932. The cubic root of 3568105421 is about 1528.0792992947.

The spelling of 3568105421 in words is "three billion, five hundred sixty-eight million, one hundred five thousand, four hundred twenty-one".