444893827069 has 2 divisors, whose sum is σ = 444893827070. Its totient is φ = 444893827068.

The previous prime is 444893827061. The next prime is 444893827121. The reversal of 444893827069 is 960728398444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 405944831044 + 38948996025 = 637138^2 + 197355^2 .

It is a cyclic number.

It is not a de Polignac number, because 444893827069 - 2³ = 444893827061 is a prime.

It is a super-2 number, since 2×444893827069² (a number of 24 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 444893827069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444893827061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222446913534 + 222446913535.

It is an arithmetic number, because the mean of its divisors is an integer number (222446913535).

Almost surely, 2^444893827069 is an apocalyptic number.

It is an amenable number.

444893827069 is a deficient number, since it is larger than the sum of its proper divisors (1).

444893827069 is an equidigital number, since it uses as much as digits as its factorization.

444893827069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 83607552, while the sum is 64.

The spelling of 444893827069 in words is "four hundred forty-four billion, eight hundred ninety-three million, eight hundred twenty-seven thousand, sixty-nine".