43434221043 has 8 divisors (see below), whose sum is σ = 61318900368. Its totient is φ = 27252844544.

The previous prime is 43434221041. The next prime is 43434221063. The reversal of 43434221043 is 34012243434.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43434221043 - 2¹ = 43434221041 is a prime.

It is a super-2 number, since 2×43434221043² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43434221043.

It is not an unprimeable number, because it can be changed into a prime (43434221041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425825646 + ... + 425825747.

It is an arithmetic number, because the mean of its divisors is an integer number (7664862546).

Almost surely, 2^43434221043 is an apocalyptic number.

43434221043 is a deficient number, since it is larger than the sum of its proper divisors (17884679325).

43434221043 is a wasteful number, since it uses less digits than its factorization.

43434221043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851651413.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 43434221043 its reverse (34012243434), we get a palindrome (77446464477).

The spelling of 43434221043 in words is "forty-three billion, four hundred thirty-four million, two hundred twenty-one thousand, forty-three".