43349838851 has 12 divisors (see below), whose sum is σ = 47656116312. Its totient is φ = 39403056000.

The previous prime is 43349838839. The next prime is 43349838853. The reversal of 43349838851 is 15883894334.

It is a de Polignac number, because none of the positive numbers 2^k-43349838851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43349838853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 925916 + ... + 971606.

It is an arithmetic number, because the mean of its divisors is an integer number (3971343026).

Almost surely, 2^43349838851 is an apocalyptic number.

43349838851 is a deficient number, since it is larger than the sum of its proper divisors (4306277461).

43349838851 is a wasteful number, since it uses less digits than its factorization.

43349838851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53554 (or 53543 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 56.

The spelling of 43349838851 in words is "forty-three billion, three hundred forty-nine million, eight hundred thirty-eight thousand, eight hundred fifty-one".