43144481485659 has 16 divisors (see below), whose sum is σ = 61479107215488. Its totient is φ = 26818046762112.

The previous prime is 43144481485613. The next prime is 43144481485661. The reversal of 43144481485659 is 95658418444134.

It is a happy number.

It is not a de Polignac number, because 43144481485659 - 2⁸ = 43144481485403 is a prime.

It is a super-2 number, since 2×43144481485659² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43144481485659.

It is not an unprimeable number, because it can be changed into a prime (43144481485159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3953126437 + ... + 3953137350.

It is an arithmetic number, because the mean of its divisors is an integer number (3842444200968).

Almost surely, 2^{43144481485659} is an apocalyptic number.

43144481485659 is a deficient number, since it is larger than the sum of its proper divisors (18334625729829).

43144481485659 is a wasteful number, since it uses less digits than its factorization.

43144481485659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7906263914.

The product of its digits is 265420800, while the sum is 66.

The spelling of 43144481485659 in words is "forty-three trillion, one hundred forty-four billion, four hundred eighty-one million, four hundred eighty-five thousand, six hundred fifty-nine".