43412342851 has 4 divisors (see below), whose sum is σ = 43414997872. Its totient is φ = 43409687832.

The previous prime is 43412342849. The next prime is 43412342861. The reversal of 43412342851 is 15824321434.

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 43412342851 - 2¹ = 43412342849 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 43412342851.

It is not an unprimeable number, because it can be changed into a prime (43412342821) 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, 1302831 + ... + 1335736.

It is an arithmetic number, because the mean of its divisors is an integer number (10853749468).

Almost surely, 2^43412342851 is an apocalyptic number.

43412342851 is a deficient number, since it is larger than the sum of its proper divisors (2655021).

43412342851 is a wasteful number, since it uses less digits than its factorization.

43412342851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2655020.

The product of its digits is 92160, while the sum is 37.

The spelling of 43412342851 in words is "forty-three billion, four hundred twelve million, three hundred forty-two thousand, eight hundred fifty-one".