2421205141 has 4 divisors (see below), whose sum is σ = 2472720192. Its totient is φ = 2369690092.

The previous prime is 2421205139. The next prime is 2421205159. The reversal of 2421205141 is 1415021242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2421205141 - 2¹ = 2421205139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421200141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25757455 + ... + 25757548.

It is an arithmetic number, because the mean of its divisors is an integer number (618180048).

Almost surely, 2^2421205141 is an apocalyptic number.

It is an amenable number.

2421205141 is a deficient number, since it is larger than the sum of its proper divisors (51515051).

2421205141 is an equidigital number, since it uses as much as digits as its factorization.

2421205141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51515050.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 2421205141 is about 49205.7429676659. The cubic root of 2421205141 is about 1342.7975158175.

Adding to 2421205141 its reverse (1415021242), we get a palindrome (3836226383).

The spelling of 2421205141 in words is "two billion, four hundred twenty-one million, two hundred five thousand, one hundred forty-one".