5353433821 has 2 divisors, whose sum is σ = 5353433822. Its totient is φ = 5353433820.

The previous prime is 5353433819. The next prime is 5353433831. The reversal of 5353433821 is 1283343535.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5336302500 + 17131321 = 73050^2 + 4139^2 .

It is a cyclic number.

It is not a de Polignac number, because 5353433821 - 2¹ = 5353433819 is a prime.

Together with 5353433819, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5353433831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2676716910 + 2676716911.

It is an arithmetic number, because the mean of its divisors is an integer number (2676716911).

Almost surely, 2^5353433821 is an apocalyptic number.

It is an amenable number.

5353433821 is a deficient number, since it is larger than the sum of its proper divisors (1).

5353433821 is an equidigital number, since it uses as much as digits as its factorization.

5353433821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 37.

The square root of 5353433821 is about 73167.1635434913. The cubic root of 5353433821 is about 1749.3531019609.

The spelling of 5353433821 in words is "five billion, three hundred fifty-three million, four hundred thirty-three thousand, eight hundred twenty-one".