6655377593 has 2 divisors, whose sum is σ = 6655377594. Its totient is φ = 6655377592.

The previous prime is 6655377587. The next prime is 6655377629. The reversal of 6655377593 is 3957735566.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4850147449 + 1805230144 = 69643^2 + 42488^2 .

It is a cyclic number.

It is not a de Polignac number, because 6655377593 - 2⁶ = 6655377529 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (6655377523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3327688796 + 3327688797.

It is an arithmetic number, because the mean of its divisors is an integer number (3327688797).

Almost surely, 2^6655377593 is an apocalyptic number.

It is an amenable number.

6655377593 is a deficient number, since it is larger than the sum of its proper divisors (1).

6655377593 is an equidigital number, since it uses as much as digits as its factorization.

6655377593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17860500, while the sum is 56.

The square root of 6655377593 is about 81580.4976265774. The cubic root of 6655377593 is about 1881.0091150489.

The spelling of 6655377593 in words is "six billion, six hundred fifty-five million, three hundred seventy-seven thousand, five hundred ninety-three".