6555655225069 has 2 divisors, whose sum is σ = 6555655225070. Its totient is φ = 6555655225068.

The previous prime is 6555655225033. The next prime is 6555655225079. The reversal of 6555655225069 is 9605225565556.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3706344984969 + 2849310240100 = 1925187^2 + 1687990^2 .

It is a cyclic number.

It is not a de Polignac number, because 6555655225069 - 2¹¹ = 6555655223021 is a prime.

It is a super-3 number, since 3×6555655225069³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 6555655224998 and 6555655225016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6555655225079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3277827612534 + 3277827612535.

It is an arithmetic number, because the mean of its divisors is an integer number (3277827612535).

Almost surely, 2^{6555655225069} is an apocalyptic number.

It is an amenable number.

6555655225069 is a deficient number, since it is larger than the sum of its proper divisors (1).

6555655225069 is an equidigital number, since it uses as much as digits as its factorization.

6555655225069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 121500000, while the sum is 61.

The spelling of 6555655225069 in words is "six trillion, five hundred fifty-five billion, six hundred fifty-five million, two hundred twenty-five thousand, sixty-nine".