43070817473 has 4 divisors (see below), whose sum is σ = 43385203140. Its totient is φ = 42756431808.

The previous prime is 43070817457. The next prime is 43070817511. The reversal of 43070817473 is 37471807034.

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 23512235569 + 19558581904 = 153337^2 + 139852^2 .

It is a cyclic number.

It is not a de Polignac number, because 43070817473 - 2⁴ = 43070817457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (43070817403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157192628 + ... + 157192901.

It is an arithmetic number, because the mean of its divisors is an integer number (10846300785).

Almost surely, 2^43070817473 is an apocalyptic number.

It is an amenable number.

43070817473 is a deficient number, since it is larger than the sum of its proper divisors (314385667).

43070817473 is a wasteful number, since it uses less digits than its factorization.

43070817473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314385666.

The product of its (nonzero) digits is 395136, while the sum is 44.

The spelling of 43070817473 in words is "forty-three billion, seventy million, eight hundred seventeen thousand, four hundred seventy-three".