2421041405 has 4 divisors (see below), whose sum is σ = 2905249692. Its totient is φ = 1936833120.

The previous prime is 2421041369. The next prime is 2421041429. The reversal of 2421041405 is 5041401242.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1850118169 + 570923236 = 43013^2 + 23894^2 .

It is not a de Polignac number, because 2421041405 - 2¹⁰ = 2421040381 is a prime.

It is a super-2 number, since 2×2421041405² = 11722882969448748050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242104136 + ... + 242104145.

It is an arithmetic number, because the mean of its divisors is an integer number (726312423).

Almost surely, 2^2421041405 is an apocalyptic number.

It is an amenable number.

2421041405 is a deficient number, since it is larger than the sum of its proper divisors (484208287).

2421041405 is an equidigital number, since it uses as much as digits as its factorization.

2421041405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484208286.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 2421041405 is about 49204.0791500054. The cubic root of 2421041405 is about 1342.7672458709.

Adding to 2421041405 its reverse (5041401242), we get a palindrome (7462442647).

The spelling of 2421041405 in words is "two billion, four hundred twenty-one million, forty-one thousand, four hundred five".