2003141421 has 10 divisors (see below), whose sum is σ = 2992347182. Its totient is φ = 1335427560.

The previous prime is 2003141419. The next prime is 2003141429. The reversal of 2003141421 is 1241413002.

2003141421 is a `hidden beast` number, since 200 + 3 + 1 + 41 + 421 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2000772900 + 2368521 = 44730^2 + 1539^2 .

It is not a de Polignac number, because 2003141421 - 2¹ = 2003141419 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2003141394 and 2003141403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003141429) 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 9 ways as a sum of consecutive naturals, for example, 12364990 + ... + 12365151.

Almost surely, 2^2003141421 is an apocalyptic number.

It is an amenable number.

2003141421 is a deficient number, since it is larger than the sum of its proper divisors (989205761).

2003141421 is an equidigital number, since it uses as much as digits as its factorization.

2003141421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24730153 (or 24730144 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2003141421 is about 44756.4679236421. The cubic root of 2003141421 is about 1260.5803618933.

Adding to 2003141421 its reverse (1241413002), we get a palindrome (3244554423).

The spelling of 2003141421 in words is "two billion, three million, one hundred forty-one thousand, four hundred twenty-one".