4321433261 has 2 divisors, whose sum is σ = 4321433262. Its totient is φ = 4321433260.

The previous prime is 4321433257. The next prime is 4321433279. The reversal of 4321433261 is 1623341234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2217468100 + 2103965161 = 47090^2 + 45869^2 .

It is a cyclic number.

It is not a de Polignac number, because 4321433261 - 2² = 4321433257 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4321433161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2160716630 + 2160716631.

It is an arithmetic number, because the mean of its divisors is an integer number (2160716631).

Almost surely, 2^4321433261 is an apocalyptic number.

It is an amenable number.

4321433261 is a deficient number, since it is larger than the sum of its proper divisors (1).

4321433261 is an equidigital number, since it uses as much as digits as its factorization.

4321433261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 29.

The square root of 4321433261 is about 65737.6091822634. The cubic root of 4321433261 is about 1628.8306643428.

Adding to 4321433261 its reverse (1623341234), we get a palindrome (5944774495).

The spelling of 4321433261 in words is "four billion, three hundred twenty-one million, four hundred thirty-three thousand, two hundred sixty-one".