43351440143041 has 4 divisors (see below), whose sum is σ = 43351453372500. Its totient is φ = 43351426913584.

The previous prime is 43351440143017. The next prime is 43351440143131. The reversal of 43351440143041 is 14034104415334.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 10311188898816 + 33040251244225 = 3211104^2 + 5748065^2 .

It is a cyclic number.

It is not a de Polignac number, because 43351440143041 - 2²⁷ = 43351305925313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43351440141041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2354895 + ... + 9604603.

It is an arithmetic number, because the mean of its divisors is an integer number (10837863343125).

Almost surely, 2^{43351440143041} is an apocalyptic number.

It is an amenable number.

43351440143041 is a deficient number, since it is larger than the sum of its proper divisors (13229459).

43351440143041 is an equidigital number, since it uses as much as digits as its factorization.

43351440143041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13229458.

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 43351440143041 its reverse (14034104415334), we get a palindrome (57385544558375).

The spelling of 43351440143041 in words is "forty-three trillion, three hundred fifty-one billion, four hundred forty million, one hundred forty-three thousand, forty-one".