2421236133 has 6 divisors (see below), whose sum is σ = 3497341094. Its totient is φ = 1614157416.

The previous prime is 2421236119. The next prime is 2421236171. The reversal of 2421236133 is 3316321242.

2421236133 is a `hidden beast` number, since 2 + 4 + 21 + 23 + 613 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1934504289 + 486731844 = 43983^2 + 22062^2 .

It is not a de Polignac number, because 2421236133 - 2⁴ = 2421236117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2421236097 and 2421236106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421236113) 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 5 ways as a sum of consecutive naturals, for example, 134513110 + ... + 134513127.

Almost surely, 2^2421236133 is an apocalyptic number.

It is an amenable number.

2421236133 is a deficient number, since it is larger than the sum of its proper divisors (1076104961).

2421236133 is a wasteful number, since it uses less digits than its factorization.

2421236133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269026243 (or 269026240 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 2421236133 is about 49206.0578892477. The cubic root of 2421236133 is about 1342.8032451686.

Adding to 2421236133 its reverse (3316321242), we get a palindrome (5737557375).

The spelling of 2421236133 in words is "two billion, four hundred twenty-one million, two hundred thirty-six thousand, one hundred thirty-three".