4235906321 has 2 divisors, whose sum is σ = 4235906322. Its totient is φ = 4235906320.

The previous prime is 4235906291. The next prime is 4235906327. The reversal of 4235906321 is 1236095324.

4235906321 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4229681296 + 6225025 = 65036^2 + 2495^2 .

It is a cyclic number.

It is not a de Polignac number, because 4235906321 - 2¹⁴ = 4235889937 is a prime.

It is not a weakly prime, because it can be changed into another prime (4235906327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2117953160 + 2117953161.

It is an arithmetic number, because the mean of its divisors is an integer number (2117953161).

Almost surely, 2^4235906321 is an apocalyptic number.

It is an amenable number.

4235906321 is a deficient number, since it is larger than the sum of its proper divisors (1).

4235906321 is an equidigital number, since it uses as much as digits as its factorization.

4235906321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 4235906321 is about 65083.8407056621. The cubic root of 4235906321 is about 1618.0134060586.

The spelling of 4235906321 in words is "four billion, two hundred thirty-five million, nine hundred six thousand, three hundred twenty-one".