43214602505 has 4 divisors (see below), whose sum is σ = 51857523012. Its totient is φ = 34571682000.

The previous prime is 43214602471. The next prime is 43214602507. The reversal of 43214602505 is 50520641234.

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 24929883664 + 18284718841 = 157892^2 + 135221^2 .

It is not a de Polignac number, because 43214602505 - 2¹⁰ = 43214601481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43214602507) 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, 4321460246 + ... + 4321460255.

It is an arithmetic number, because the mean of its divisors is an integer number (12964380753).

Almost surely, 2^43214602505 is an apocalyptic number.

It is an amenable number.

43214602505 is a deficient number, since it is larger than the sum of its proper divisors (8642920507).

43214602505 is an equidigital number, since it uses as much as digits as its factorization.

43214602505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8642920506.

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 43214602505 in words is "forty-three billion, two hundred fourteen million, six hundred two thousand, five hundred five".