3197397773 has 2 divisors, whose sum is σ = 3197397774. Its totient is φ = 3197397772.

The previous prime is 3197397769. The next prime is 3197397779. The reversal of 3197397773 is 3777937913.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3101710249 + 95687524 = 55693^2 + 9782^2 .

It is a cyclic number.

It is not a de Polignac number, because 3197397773 - 2² = 3197397769 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3197397779) 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, 1598698886 + 1598698887.

It is an arithmetic number, because the mean of its divisors is an integer number (1598698887).

Almost surely, 2^3197397773 is an apocalyptic number.

It is an amenable number.

3197397773 is a deficient number, since it is larger than the sum of its proper divisors (1).

3197397773 is an equidigital number, since it uses as much as digits as its factorization.

3197397773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5250987, while the sum is 56.

The square root of 3197397773 is about 56545.5371625383. The cubic root of 3197397773 is about 1473.2130458717.

The spelling of 3197397773 in words is "three billion, one hundred ninety-seven million, three hundred ninety-seven thousand, seven hundred seventy-three".