42944611769 has 8 divisors (see below), whose sum is σ = 44246552712. Its totient is φ = 41661959040.

The previous prime is 42944611757. The next prime is 42944611783. The reversal of 42944611769 is 96711644924.

It can be written as a sum of positive squares in 4 ways, for example, as 141967225 + 42802644544 = 11915^2 + 206888^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 42944611769 - 2²⁸ = 42676176313 is a prime.

It is a super-2 number, since 2×42944611769² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42944611769.

It is not an unprimeable number, because it can be changed into a prime (42944611739) 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 7 ways as a sum of consecutive naturals, for example, 4817534 + ... + 4826439.

It is an arithmetic number, because the mean of its divisors is an integer number (5530819089).

Almost surely, 2^42944611769 is an apocalyptic number.

It is an amenable number.

42944611769 is a deficient number, since it is larger than the sum of its proper divisors (1301940943).

42944611769 is an equidigital number, since it uses as much as digits as its factorization.

42944611769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9644107.

The product of its digits is 2612736, while the sum is 53.

The spelling of 42944611769 in words is "forty-two billion, nine hundred forty-four million, six hundred eleven thousand, seven hundred sixty-nine".