444428202824399 has 2 divisors, whose sum is σ = 444428202824400. Its totient is φ = 444428202824398.

The previous prime is 444428202824383. The next prime is 444428202824483. The reversal of 444428202824399 is 993428202824444.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 444428202824399 - 2⁴ = 444428202824383 is a prime.

It is a super-2 number, since 2×444428202824399² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444428202824329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222214101412199 + 222214101412200.

It is an arithmetic number, because the mean of its divisors is an integer number (222214101412200).

Almost surely, 2^{444428202824399} is an apocalyptic number.

444428202824399 is a deficient number, since it is larger than the sum of its proper divisors (1).

444428202824399 is an equidigital number, since it uses as much as digits as its factorization.

444428202824399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254803968, while the sum is 65.

The spelling of 444428202824399 in words is "four hundred forty-four trillion, four hundred twenty-eight billion, two hundred two million, eight hundred twenty-four thousand, three hundred ninety-nine".