2400021133 has 2 divisors, whose sum is σ = 2400021134. Its totient is φ = 2400021132.

The previous prime is 2400021131. The next prime is 2400021139. The reversal of 2400021133 is 3311200042.

It is a happy number.

2400021133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2280731049 + 119290084 = 47757^2 + 10922^2 .

It is a cyclic number.

It is not a de Polignac number, because 2400021133 - 2¹ = 2400021131 is a prime.

Together with 2400021131, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2400021131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1200010566 + 1200010567.

It is an arithmetic number, because the mean of its divisors is an integer number (1200010567).

Almost surely, 2^2400021133 is an apocalyptic number.

It is an amenable number.

2400021133 is a deficient number, since it is larger than the sum of its proper divisors (1).

2400021133 is an equidigital number, since it uses as much as digits as its factorization.

2400021133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2400021133 is about 48990.0105429668. The cubic root of 2400021133 is about 1338.8698299102.

Adding to 2400021133 its reverse (3311200042), we get a palindrome (5711221175).

The spelling of 2400021133 in words is "two billion, four hundred million, twenty-one thousand, one hundred thirty-three".