4238461261 has 2 divisors, whose sum is σ = 4238461262. Its totient is φ = 4238461260.

The previous prime is 4238461243. The next prime is 4238461303. The reversal of 4238461261 is 1621648324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4197744100 + 40717161 = 64790^2 + 6381^2 .

It is a cyclic number.

It is not a de Polignac number, because 4238461261 - 2¹⁷ = 4238330189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4238461261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4238461211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2119230630 + 2119230631.

It is an arithmetic number, because the mean of its divisors is an integer number (2119230631).

Almost surely, 2^4238461261 is an apocalyptic number.

It is an amenable number.

4238461261 is a deficient number, since it is larger than the sum of its proper divisors (1).

4238461261 is an equidigital number, since it uses as much as digits as its factorization.

4238461261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 37.

The square root of 4238461261 is about 65103.4658140410. The cubic root of 4238461261 is about 1618.3386490325.

The spelling of 4238461261 in words is "four billion, two hundred thirty-eight million, four hundred sixty-one thousand, two hundred sixty-one".