4295106821 has 2 divisors, whose sum is σ = 4295106822. Its totient is φ = 4295106820.

The previous prime is 4295106817. The next prime is 4295106869. The reversal of 4295106821 is 1286015924.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3342458596 + 952648225 = 57814^2 + 30865^2 .

It is a cyclic number.

It is not a de Polignac number, because 4295106821 - 2² = 4295106817 is a prime.

It is a super-3 number, since 3×4295106821³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4295106521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2147553410 + 2147553411.

It is an arithmetic number, because the mean of its divisors is an integer number (2147553411).

Almost surely, 2^4295106821 is an apocalyptic number.

It is an amenable number.

4295106821 is a deficient number, since it is larger than the sum of its proper divisors (1).

4295106821 is an equidigital number, since it uses as much as digits as its factorization.

4295106821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 4295106821 is about 65537.0644826269. The cubic root of 4295106821 is about 1625.5162788432.

The spelling of 4295106821 in words is "four billion, two hundred ninety-five million, one hundred six thousand, eight hundred twenty-one".