2443421403 has 8 divisors (see below), whose sum is σ = 3619883600. Its totient is φ = 1628947584.

The previous prime is 2443421401. The next prime is 2443421437. The reversal of 2443421403 is 3041243442.

It is a happy number.

2443421403 is a `hidden beast` number, since 2 + 443 + 4 + 214 + 0 + 3 = 666.

It is not a de Polignac number, because 2443421403 - 2¹ = 2443421401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 90497089 = 2443421403 / (2 + 4 + 4 + 3 + 4 + 2 + 1 + 4 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2443421401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45248518 + ... + 45248571.

It is an arithmetic number, because the mean of its divisors is an integer number (452485450).

Almost surely, 2^2443421403 is an apocalyptic number.

2443421403 is a deficient number, since it is larger than the sum of its proper divisors (1176462197).

2443421403 is an equidigital number, since it uses as much as digits as its factorization.

2443421403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90497098 (or 90497092 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 2443421403 is about 49430.9761485650. The cubic root of 2443421403 is about 1346.8920553773.

Adding to 2443421403 its reverse (3041243442), we get a palindrome (5484664845).

The spelling of 2443421403 in words is "two billion, four hundred forty-three million, four hundred twenty-one thousand, four hundred three".