4200840640069 has 2 divisors, whose sum is σ = 4200840640070. Its totient is φ = 4200840640068.

The previous prime is 4200840640063. The next prime is 4200840640093. The reversal of 4200840640069 is 9600460480024.

4200840640069 is digitally balanced in base 2, 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., 4138071350625 + 62769289444 = 2034225^2 + 250538^2 .

It is a cyclic number.

It is not a de Polignac number, because 4200840640069 - 2²³ = 4200832251461 is a prime.

It is a super-2 number, since 2×4200840640069² (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 (4200840640063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2100420320034 + 2100420320035.

It is an arithmetic number, because the mean of its divisors is an integer number (2100420320035).

Almost surely, 2^{4200840640069} is an apocalyptic number.

It is an amenable number.

4200840640069 is a deficient number, since it is larger than the sum of its proper divisors (1).

4200840640069 is an equidigital number, since it uses as much as digits as its factorization.

4200840640069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 331776, while the sum is 43.

The spelling of 4200840640069 in words is "four trillion, two hundred billion, eight hundred forty million, six hundred forty thousand, sixty-nine".