43424442434 has 4 divisors (see below), whose sum is σ = 65136663654. Its totient is φ = 21712221216.

The previous prime is 43424442433. The next prime is 43424442461.

43424442434 is nontrivially palindromic in base 10.

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

It can be written as a sum of positive squares in only one way, i.e., 32419803025 + 11004639409 = 180055^2 + 104903^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (43424442431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10856110607 + ... + 10856110610.

Almost surely, 2^43424442434 is an apocalyptic number.

43424442434 is a deficient number, since it is larger than the sum of its proper divisors (21712221220).

43424442434 is a wasteful number, since it uses less digits than its factorization.

43424442434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21712221219.

The product of its digits is 589824, while the sum is 38.

The spelling of 43424442434 in words is "forty-three billion, four hundred twenty-four million, four hundred forty-two thousand, four hundred thirty-four".