2642226044069 has 2 divisors, whose sum is σ = 2642226044070. Its totient is φ = 2642226044068.

The previous prime is 2642226044063. The next prime is 2642226044099. The reversal of 2642226044069 is 9604406222462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2265211623844 + 377014420225 = 1505062^2 + 614015^2 .

It is a cyclic number.

It is not a de Polignac number, because 2642226044069 - 2²⁸ = 2641957608613 is a prime.

It is a super-2 number, since 2×2642226044069² (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 (2642226044063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1321113022034 + 1321113022035.

It is an arithmetic number, because the mean of its divisors is an integer number (1321113022035).

Almost surely, 2^{2642226044069} is an apocalyptic number.

It is an amenable number.

2642226044069 is a deficient number, since it is larger than the sum of its proper divisors (1).

2642226044069 is an equidigital number, since it uses as much as digits as its factorization.

2642226044069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1990656, while the sum is 47.

The spelling of 2642226044069 in words is "two trillion, six hundred forty-two billion, two hundred twenty-six million, forty-four thousand, sixty-nine".