6450235571069 has 2 divisors, whose sum is σ = 6450235571070. Its totient is φ = 6450235571068.

The previous prime is 6450235571029. The next prime is 6450235571119. The reversal of 6450235571069 is 9601755320546.

6450235571069 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4282259087044 + 2167976484025 = 2069362^2 + 1472405^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6450235571069 is a prime.

It is a super-2 number, since 2×6450235571069² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6450235571069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6450235571029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3225117785534 + 3225117785535.

It is an arithmetic number, because the mean of its divisors is an integer number (3225117785535).

Almost surely, 2^{6450235571069} is an apocalyptic number.

It is an amenable number.

6450235571069 is a deficient number, since it is larger than the sum of its proper divisors (1).

6450235571069 is an equidigital number, since it uses as much as digits as its factorization.

6450235571069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804000, while the sum is 53.

The spelling of 6450235571069 in words is "six trillion, four hundred fifty billion, two hundred thirty-five million, five hundred seventy-one thousand, sixty-nine".