6655074973 has 2 divisors, whose sum is σ = 6655074974. Its totient is φ = 6655074972.

The previous prime is 6655074917. The next prime is 6655074991. The reversal of 6655074973 is 3794705566.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3682426489 + 2972648484 = 60683^2 + 54522^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6655074973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6655074973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6655074073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3327537486 + 3327537487.

It is an arithmetic number, because the mean of its divisors is an integer number (3327537487).

Almost surely, 2^6655074973 is an apocalyptic number.

It is an amenable number.

6655074973 is a deficient number, since it is larger than the sum of its proper divisors (1).

6655074973 is an equidigital number, since it uses as much as digits as its factorization.

6655074973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4762800, while the sum is 52.

The square root of 6655074973 is about 81578.6428729971. The cubic root of 6655074973 is about 1880.9806047904.

The spelling of 6655074973 in words is "six billion, six hundred fifty-five million, seventy-four thousand, nine hundred seventy-three".