6211488973 has 2 divisors, whose sum is σ = 6211488974. Its totient is φ = 6211488972.

The previous prime is 6211488947. The next prime is 6211488989. The reversal of 6211488973 is 3798841126.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6211488969 + 4 = 78813^2 + 2^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6211488973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6211482973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3105744486 + 3105744487.

It is an arithmetic number, because the mean of its divisors is an integer number (3105744487).

Almost surely, 2^6211488973 is an apocalyptic number.

It is an amenable number.

6211488973 is a deficient number, since it is larger than the sum of its proper divisors (1).

6211488973 is an equidigital number, since it uses as much as digits as its factorization.

6211488973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 49.

The square root of 6211488973 is about 78813.0000253765. Note that the first 4 decimals coincide. The cubic root of 6211488973 is about 1838.2245962541.

The spelling of 6211488973 in words is "six billion, two hundred eleven million, four hundred eighty-eight thousand, nine hundred seventy-three".