443414431770645 has 16 divisors (see below), whose sum is σ = 713177557281792. Its totient is φ = 235249541461440.

The previous prime is 443414431770613. The next prime is 443414431770647. The reversal of 443414431770645 is 546077134414344.

It is not a de Polignac number, because 443414431770645 - 2⁵ = 443414431770613 is a prime.

It is a super-3 number, since 3×443414431770645³ (a number of 45 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (443414431770647) 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 in 15 ways as a sum of consecutive naturals, for example, 77384714722 + ... + 77384720451.

It is an arithmetic number, because the mean of its divisors is an integer number (44573597330112).

Almost surely, 2^{443414431770645} is an apocalyptic number.

It is an amenable number.

443414431770645 is a deficient number, since it is larger than the sum of its proper divisors (269763125511147).

443414431770645 is a wasteful number, since it uses less digits than its factorization.

443414431770645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154769435372.

The product of its (nonzero) digits is 54190080, while the sum is 57.

The spelling of 443414431770645 in words is "four hundred forty-three trillion, four hundred fourteen billion, four hundred thirty-one million, seven hundred seventy thousand, six hundred forty-five".