6612656425069 has 2 divisors, whose sum is σ = 6612656425070. Its totient is φ = 6612656425068.

The previous prime is 6612656425057. The next prime is 6612656425079. The reversal of 6612656425069 is 9605246562166.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5693291867844 + 919364557225 = 2386062^2 + 958835^2 .

It is a cyclic number.

It is not a de Polignac number, because 6612656425069 - 2²⁷ = 6612522207341 is a prime.

It is a super-2 number, since 2×6612656425069² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6612656425079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3306328212534 + 3306328212535.

It is an arithmetic number, because the mean of its divisors is an integer number (3306328212535).

Almost surely, 2^{6612656425069} is an apocalyptic number.

It is an amenable number.

6612656425069 is a deficient number, since it is larger than the sum of its proper divisors (1).

6612656425069 is an equidigital number, since it uses as much as digits as its factorization.

6612656425069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27993600, while the sum is 58.

The spelling of 6612656425069 in words is "six trillion, six hundred twelve billion, six hundred fifty-six million, four hundred twenty-five thousand, sixty-nine".