2043620043 has 8 divisors (see below), whose sum is σ = 2745627456. Its totient is φ = 1352013000.

The previous prime is 2043620041. The next prime is 2043620129. The reversal of 2043620043 is 3400263402.

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 2043620043 - 2¹ = 2043620041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2043619995 and 2043620022.

It is not an unprimeable number, because it can be changed into a prime (2043620041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2599633 + ... + 2600418.

It is an arithmetic number, because the mean of its divisors is an integer number (343203432).

Almost surely, 2^2043620043 is an apocalyptic number.

2043620043 is a deficient number, since it is larger than the sum of its proper divisors (702007413).

2043620043 is a wasteful number, since it uses less digits than its factorization.

2043620043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5200185.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 2043620043 is about 45206.4159495088. The cubic root of 2043620043 is about 1269.0148896543.

Adding to 2043620043 its reverse (3400263402), we get a palindrome (5443883445).

The spelling of 2043620043 in words is "two billion, forty-three million, six hundred twenty thousand, forty-three".