2406541421 has 4 divisors (see below), whose sum is σ = 2408199132. Its totient is φ = 2404883712.

The previous prime is 2406541381. The next prime is 2406541499. The reversal of 2406541421 is 1241456042.

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 1152602500 + 1253938921 = 33950^2 + 35411^2 .

It is a cyclic number.

It is not a de Polignac number, because 2406541421 - 2¹⁰ = 2406540397 is a prime.

It is a super-2 number, since 2×2406541421² = 11582883221977398482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2406541021) 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 3 ways as a sum of consecutive naturals, for example, 826676 + ... + 829581.

It is an arithmetic number, because the mean of its divisors is an integer number (602049783).

Almost surely, 2^2406541421 is an apocalyptic number.

It is an amenable number.

2406541421 is a deficient number, since it is larger than the sum of its proper divisors (1657711).

2406541421 is a wasteful number, since it uses less digits than its factorization.

2406541421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657710.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 2406541421 is about 49056.5125238230. The cubic root of 2406541421 is about 1340.0811974633.

Adding to 2406541421 its reverse (1241456042), we get a palindrome (3647997463).

The spelling of 2406541421 in words is "two billion, four hundred six million, five hundred forty-one thousand, four hundred twenty-one".