43706313705 has 16 divisors (see below), whose sum is σ = 70153528320. Its totient is φ = 23235558528.

The previous prime is 43706313671. The next prime is 43706313787. The reversal of 43706313705 is 50731360734.

It is a happy number.

It is not a de Polignac number, because 43706313705 - 2¹⁰ = 43706312681 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 4649865 + ... + 4659254.

It is an arithmetic number, because the mean of its divisors is an integer number (4384595520).

Almost surely, 2^43706313705 is an apocalyptic number.

It is an amenable number.

43706313705 is a deficient number, since it is larger than the sum of its proper divisors (26447214615).

43706313705 is a wasteful number, since it uses less digits than its factorization.

43706313705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9309440.

The product of its (nonzero) digits is 158760, while the sum is 39.

The spelling of 43706313705 in words is "forty-three billion, seven hundred six million, three hundred thirteen thousand, seven hundred five".