43227399743 has 32 divisors (see below), whose sum is σ = 48660575040. Its totient is φ = 38060032000.

The previous prime is 43227399727. The next prime is 43227399751. The reversal of 43227399743 is 34799372234.

It is a Cunningham number, because it is equal to 207912²-1.

It is a cyclic number.

It is not a de Polignac number, because 43227399743 - 2⁴ = 43227399727 is a prime.

It is a super-2 number, since 2×43227399743² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43227399713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53432723 + ... + 53433531.

It is an arithmetic number, because the mean of its divisors is an integer number (1520642970).

Almost surely, 2^43227399743 is an apocalyptic number.

43227399743 is a deficient number, since it is larger than the sum of its proper divisors (5433175297).

43227399743 is a wasteful number, since it uses less digits than its factorization.

43227399743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579.

The product of its digits is 6858432, while the sum is 53.

The spelling of 43227399743 in words is "forty-three billion, two hundred twenty-seven million, three hundred ninety-nine thousand, seven hundred forty-three".