4533263921 has 2 divisors, whose sum is σ = 4533263922. Its totient is φ = 4533263920.

The previous prime is 4533263897. The next prime is 4533263923. The reversal of 4533263921 is 1293623354.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4238661025 + 294602896 = 65105^2 + 17164^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4533263921 is a prime.

Together with 4533263923, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4533263923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2266631960 + 2266631961.

It is an arithmetic number, because the mean of its divisors is an integer number (2266631961).

Almost surely, 2^4533263921 is an apocalyptic number.

It is an amenable number.

4533263921 is a deficient number, since it is larger than the sum of its proper divisors (1).

4533263921 is an equidigital number, since it uses as much as digits as its factorization.

4533263921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 38.

The square root of 4533263921 is about 67329.5174570559. The cubic root of 4533263921 is about 1655.0216066766.

The spelling of 4533263921 in words is "four billion, five hundred thirty-three million, two hundred sixty-three thousand, nine hundred twenty-one".