445243342559 has 2 divisors, whose sum is σ = 445243342560. Its totient is φ = 445243342558.

The previous prime is 445243342547. The next prime is 445243342567. The reversal of 445243342559 is 955243342544.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 445243342559 - 2¹⁶ = 445243277023 is a prime.

It is a super-2 number, since 2×445243342559² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445243341559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222621671279 + 222621671280.

It is an arithmetic number, because the mean of its divisors is an integer number (222621671280).

Almost surely, 2^445243342559 is an apocalyptic number.

445243342559 is a deficient number, since it is larger than the sum of its proper divisors (1).

445243342559 is an equidigital number, since it uses as much as digits as its factorization.

445243342559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368000, while the sum is 50.

The spelling of 445243342559 in words is "four hundred forty-five billion, two hundred forty-three million, three hundred forty-two thousand, five hundred fifty-nine".