43243441442 has 4 divisors (see below), whose sum is σ = 64865162166. Its totient is φ = 21621720720.

The previous prime is 43243441429. The next prime is 43243441459. The reversal of 43243441442 is 24414434234.

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., 26259878401 + 16983563041 = 162049^2 + 130321^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10810860359 + ... + 10810860362.

Almost surely, 2^43243441442 is an apocalyptic number.

43243441442 is a deficient number, since it is larger than the sum of its proper divisors (21621720724).

43243441442 is a wasteful number, since it uses less digits than its factorization.

43243441442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21621720723.

The product of its digits is 147456, while the sum is 35.

Adding to 43243441442 its reverse (24414434234), we get a palindrome (67657875676).

The spelling of 43243441442 in words is "forty-three billion, two hundred forty-three million, four hundred forty-one thousand, four hundred forty-two".