2421534133252 has 48 divisors (see below), whose sum is σ = 4846365336960. Its totient is φ = 1049438412288.

The previous prime is 2421534133243. The next prime is 2421534133259. The reversal of 2421534133252 is 2523314351242.

It is not an unprimeable number, because it can be changed into a prime (2421534133259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10733248 + ... + 10956535.

It is an arithmetic number, because the mean of its divisors is an integer number (100965944520).

Almost surely, 2^{2421534133252} is an apocalyptic number.

It is an amenable number.

2421534133252 is an abundant number, since it is smaller than the sum of its proper divisors (2424831203708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2421534133252 is a wasteful number, since it uses less digits than its factorization.

2421534133252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21689932 (or 21689930 counting only the distinct ones).

The product of its digits is 172800, while the sum is 37.

Adding to 2421534133252 its reverse (2523314351242), we get a palindrome (4944848484494).

The spelling of 2421534133252 in words is "two trillion, four hundred twenty-one billion, five hundred thirty-four million, one hundred thirty-three thousand, two hundred fifty-two".