3276243643 has 2 divisors, whose sum is σ = 3276243644. Its totient is φ = 3276243642.

The previous prime is 3276243613. The next prime is 3276243661. The reversal of 3276243643 is 3463426723.

It is a happy number.

3276243643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3276243643 is a prime.

It is a super-2 number, since 2×3276243643² = 21467544816595822898, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3276243596 and 3276243605.

It is not a weakly prime, because it can be changed into another prime (3276243613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1638121821 + 1638121822.

It is an arithmetic number, because the mean of its divisors is an integer number (1638121822).

Almost surely, 2^3276243643 is an apocalyptic number.

3276243643 is a deficient number, since it is larger than the sum of its proper divisors (1).

3276243643 is an equidigital number, since it uses as much as digits as its factorization.

3276243643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 40.

The square root of 3276243643 is about 57238.4804392989. The cubic root of 3276243643 is about 1485.2243601349.

The spelling of 3276243643 in words is "three billion, two hundred seventy-six million, two hundred forty-three thousand, six hundred forty-three".