43704371945 has 8 divisors (see below), whose sum is σ = 56479496136. Its totient is φ = 32273997696.

The previous prime is 43704371927. The next prime is 43704371983. The reversal of 43704371945 is 54917340734.

It can be written as a sum of positive squares in 4 ways, for example, as 1915200169 + 41789171776 = 43763^2 + 204424^2 .

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 43704371945 - 2¹⁶ = 43704306409 is a prime.

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 43704371945.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336187412 + ... + 336187541.

It is an arithmetic number, because the mean of its divisors is an integer number (7059937017).

Almost surely, 2^43704371945 is an apocalyptic number.

It is an amenable number.

43704371945 is a deficient number, since it is larger than the sum of its proper divisors (12775124191).

43704371945 is a wasteful number, since it uses less digits than its factorization.

43704371945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672374971.

The product of its (nonzero) digits is 1270080, while the sum is 47.

The spelling of 43704371945 in words is "forty-three billion, seven hundred four million, three hundred seventy-one thousand, nine hundred forty-five".