445644614447 has 2 divisors, whose sum is σ = 445644614448. Its totient is φ = 445644614446.

The previous prime is 445644614417. The next prime is 445644614539. The reversal of 445644614447 is 744416446544.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 445644614447 - 2⁶ = 445644614383 is a prime.

It is a super-2 number, since 2×445644614447² (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 (445644614407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222822307223 + 222822307224.

It is an arithmetic number, because the mean of its divisors is an integer number (222822307224).

Almost surely, 2^445644614447 is an apocalyptic number.

445644614447 is a deficient number, since it is larger than the sum of its proper divisors (1).

445644614447 is an equidigital number, since it uses as much as digits as its factorization.

445644614447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20643840, while the sum is 53.

The spelling of 445644614447 in words is "four hundred forty-five billion, six hundred forty-four million, six hundred fourteen thousand, four hundred forty-seven".