43705690747 has 4 divisors (see below), whose sum is σ = 46005990280. Its totient is φ = 41405391216.

The previous prime is 43705690727. The next prime is 43705690771. The reversal of 43705690747 is 74709650734.

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

It is a cyclic number.

It is not a de Polignac number, because 43705690747 - 2¹⁹ = 43705166459 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43705690694 and 43705690703.

It is not an unprimeable number, because it can be changed into a prime (43705690727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1150149738 + ... + 1150149775.

It is an arithmetic number, because the mean of its divisors is an integer number (11501497570).

Almost surely, 2^43705690747 is an apocalyptic number.

43705690747 is a deficient number, since it is larger than the sum of its proper divisors (2300299533).

43705690747 is a wasteful number, since it uses less digits than its factorization.

43705690747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2300299532.

The product of its (nonzero) digits is 4445280, while the sum is 52.

The spelling of 43705690747 in words is "forty-three billion, seven hundred five million, six hundred ninety thousand, seven hundred forty-seven".