43468773785 has 4 divisors (see below), whose sum is σ = 52162528548. Its totient is φ = 34775019024.

The previous prime is 43468773727. The next prime is 43468773793. The reversal of 43468773785 is 58737786434.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22249898896 + 21218874889 = 149164^2 + 145667^2 .

It is a cyclic number.

It is not a de Polignac number, because 43468773785 - 2²⁸ = 43200338329 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 4346877374 + ... + 4346877383.

It is an arithmetic number, because the mean of its divisors is an integer number (13040632137).

Almost surely, 2^43468773785 is an apocalyptic number.

It is an amenable number.

43468773785 is a deficient number, since it is larger than the sum of its proper divisors (8693754763).

43468773785 is an equidigital number, since it uses as much as digits as its factorization.

43468773785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8693754762.

The product of its digits is 94832640, while the sum is 62.

The spelling of 43468773785 in words is "forty-three billion, four hundred sixty-eight million, seven hundred seventy-three thousand, seven hundred eighty-five".