43827428199 has 4 divisors (see below), whose sum is σ = 58436570936. Its totient is φ = 29218285464.

The previous prime is 43827428179. The next prime is 43827428209. The reversal of 43827428199 is 99182472834.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 43827428199 - 2¹¹ = 43827426151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43827428159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7304571364 + ... + 7304571369.

It is an arithmetic number, because the mean of its divisors is an integer number (14609142734).

Almost surely, 2^43827428199 is an apocalyptic number.

43827428199 is a deficient number, since it is larger than the sum of its proper divisors (14609142737).

43827428199 is a wasteful number, since it uses less digits than its factorization.

43827428199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14609142736.

The product of its digits is 6967296, while the sum is 57.

The spelling of 43827428199 in words is "forty-three billion, eight hundred twenty-seven million, four hundred twenty-eight thousand, one hundred ninety-nine".