3261286943 has 2 divisors, whose sum is σ = 3261286944. Its totient is φ = 3261286942.

The previous prime is 3261286937. The next prime is 3261286997. The reversal of 3261286943 is 3496821623.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3261286943 - 2¹² = 3261282847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3261286894 and 3261286903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3261286043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1630643471 + 1630643472.

It is an arithmetic number, because the mean of its divisors is an integer number (1630643472).

Almost surely, 2^3261286943 is an apocalyptic number.

3261286943 is a deficient number, since it is larger than the sum of its proper divisors (1).

3261286943 is an equidigital number, since it uses as much as digits as its factorization.

3261286943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 44.

The square root of 3261286943 is about 57107.6784942270. The cubic root of 3261286943 is about 1482.9607978098.

The spelling of 3261286943 in words is "three billion, two hundred sixty-one million, two hundred eighty-six thousand, nine hundred forty-three".