4043421332313 has 8 divisors (see below), whose sum is σ = 5881340119776. Its totient is φ = 2450558383200.

The previous prime is 4043421332303. The next prime is 4043421332341. The reversal of 4043421332313 is 3132331243404.

It is a happy number.

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

It is not a de Polignac number, because 4043421332313 - 2²² = 4043417138009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 122527919161 = 4043421332313 / (4 + 0 + 4 + 3 + 4 + 2 + 1 + 3 + 3 + 2 + 3 + 1 + 3).

It is not an unprimeable number, because it can be changed into a prime (4043421332303) 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, 61263959548 + ... + 61263959613.

It is an arithmetic number, because the mean of its divisors is an integer number (735167514972).

Almost surely, 2^{4043421332313} is an apocalyptic number.

It is an amenable number.

4043421332313 is a deficient number, since it is larger than the sum of its proper divisors (1837918787463).

4043421332313 is a wasteful number, since it uses less digits than its factorization.

4043421332313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122527919175.

The product of its (nonzero) digits is 62208, while the sum is 33.

Adding to 4043421332313 its reverse (3132331243404), we get a palindrome (7175752575717).

It can be divided in two parts, 4043421 and 332313, that added together give a palindrome (4375734).

The spelling of 4043421332313 in words is "four trillion, forty-three billion, four hundred twenty-one million, three hundred thirty-two thousand, three hundred thirteen".