3281489797 has 2 divisors, whose sum is σ = 3281489798. Its totient is φ = 3281489796.

The previous prime is 3281489767. The next prime is 3281489801. The reversal of 3281489797 is 7979841823.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3207976321 + 73513476 = 56639^2 + 8574^2 .

It is an emirp because it is prime and its reverse (7979841823) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3281489797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3281489737) 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, 1640744898 + 1640744899.

It is an arithmetic number, because the mean of its divisors is an integer number (1640744899).

Almost surely, 2^3281489797 is an apocalyptic number.

It is an amenable number.

3281489797 is a deficient number, since it is larger than the sum of its proper divisors (1).

3281489797 is an equidigital number, since it uses as much as digits as its factorization.

3281489797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6096384, while the sum is 58.

The square root of 3281489797 is about 57284.2892685246. The cubic root of 3281489797 is about 1486.0166862843.

The spelling of 3281489797 in words is "three billion, two hundred eighty-one million, four hundred eighty-nine thousand, seven hundred ninety-seven".