5443640463445 has 8 divisors (see below), whose sum is σ = 6541208030880. Its totient is φ = 4349019387600.

The previous prime is 5443640463439. The next prime is 5443640463467.

It is a happy number.

5443640463445 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5443640463445 - 2²¹ = 5443638366293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5443640463392 and 5443640463401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 736618831 + ... + 736626220.

It is an arithmetic number, because the mean of its divisors is an integer number (817651003860).

Almost surely, 2^{5443640463445} is an apocalyptic number.

It is an amenable number.

5443640463445 is a deficient number, since it is larger than the sum of its proper divisors (1097567567435).

5443640463445 is a wasteful number, since it uses less digits than its factorization.

5443640463445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473245795.

The product of its (nonzero) digits is 33177600, while the sum is 52.

The spelling of 5443640463445 in words is "five trillion, four hundred forty-three billion, six hundred forty million, four hundred sixty-three thousand, four hundred forty-five".