4106821281 has 16 divisors (see below), whose sum is σ = 5715363456. Its totient is φ = 2618143616.

The previous prime is 4106821273. The next prime is 4106821289. The reversal of 4106821281 is 1821286014.

4106821281 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (4106821273) and next prime (4106821289).

It is a cyclic number.

It is not a de Polignac number, because 4106821281 - 2³ = 4106821273 is a prime.

It is a super-2 number, since 2×4106821281² = 33731962068148961922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4106821289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 412741 + ... + 422573.

It is an arithmetic number, because the mean of its divisors is an integer number (357210216).

Almost surely, 2^4106821281 is an apocalyptic number.

It is an amenable number.

4106821281 is a deficient number, since it is larger than the sum of its proper divisors (1608542175).

4106821281 is a wasteful number, since it uses less digits than its factorization.

4106821281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15912.

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 4106821281 is about 64084.4854937605. The cubic root of 4106821281 is about 1601.4077819440.

The spelling of 4106821281 in words is "four billion, one hundred six million, eight hundred twenty-one thousand, two hundred eighty-one".