43421412434 has 4 divisors (see below), whose sum is σ = 65132118654. Its totient is φ = 21710706216.

The previous prime is 43421412403. The next prime is 43421412457.

43421412434 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., 31451958409 + 11969454025 = 177347^2 + 109405^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 43421412434.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10855353107 + ... + 10855353110.

Almost surely, 2^43421412434 is an apocalyptic number.

43421412434 is a deficient number, since it is larger than the sum of its proper divisors (21710706220).

43421412434 is a wasteful number, since it uses less digits than its factorization.

43421412434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21710706219.

The product of its digits is 36864, while the sum is 32.

The spelling of 43421412434 in words is "forty-three billion, four hundred twenty-one million, four hundred twelve thousand, four hundred thirty-four".