4043110021243 has 8 divisors (see below), whose sum is σ = 4044330479808. Its totient is φ = 4041889751424.

The previous prime is 4043110021219. The next prime is 4043110021261. The reversal of 4043110021243 is 3421200113404.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4043110021243 is a prime.

It is a super-2 number, since 2×4043110021243² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4043110021843) 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, 50691171 + ... + 50770867.

It is an arithmetic number, because the mean of its divisors is an integer number (505541309976).

Almost surely, 2^{4043110021243} is an apocalyptic number.

4043110021243 is a deficient number, since it is larger than the sum of its proper divisors (1220458565).

4043110021243 is an equidigital number, since it uses as much as digits as its factorization.

4043110021243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94373.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 4043110021243 its reverse (3421200113404), we get a palindrome (7464310134647).

The spelling of 4043110021243 in words is "four trillion, forty-three billion, one hundred ten million, twenty-one thousand, two hundred forty-three".