4284953821 has 2 divisors, whose sum is σ = 4284953822. Its totient is φ = 4284953820.

The previous prime is 4284953809. The next prime is 4284953833. The reversal of 4284953821 is 1283594824.

It is a balanced prime because it is at equal distance from previous prime (4284953809) and next prime (4284953833).

It can be written as a sum of positive squares in only one way, i.e., 4156380900 + 128572921 = 64470^2 + 11339^2 .

It is a cyclic number.

It is not a de Polignac number, because 4284953821 - 2⁷ = 4284953693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4284950821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2142476910 + 2142476911.

It is an arithmetic number, because the mean of its divisors is an integer number (2142476911).

Almost surely, 2^4284953821 is an apocalyptic number.

It is an amenable number.

4284953821 is a deficient number, since it is larger than the sum of its proper divisors (1).

4284953821 is an equidigital number, since it uses as much as digits as its factorization.

4284953821 is an evil number, because the sum of its binary digits is even.

The product of its digits is 552960, while the sum is 46.

The square root of 4284953821 is about 65459.5586679287. The cubic root of 4284953821 is about 1624.2344412538.

The spelling of 4284953821 in words is "four billion, two hundred eighty-four million, nine hundred fifty-three thousand, eight hundred twenty-one".