2421133641 has 12 divisors (see below), whose sum is σ = 3549390832. Its totient is φ = 1589997816.

The previous prime is 2421133633. The next prime is 2421133657. The reversal of 2421133641 is 1463311242.

It is a happy number.

2421133641 is a `hidden beast` number, since 2 + 4 + 2 + 1 + 13 + 3 + 641 = 666.

It is not a de Polignac number, because 2421133641 - 2³ = 2421133633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2421133601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2006971 + ... + 2008176.

Almost surely, 2^2421133641 is an apocalyptic number.

It is an amenable number.

2421133641 is a deficient number, since it is larger than the sum of its proper divisors (1128257191).

2421133641 is a wasteful number, since it uses less digits than its factorization.

2421133641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4015220 (or 4015217 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 2421133641 is about 49205.0164210927. The cubic root of 2421133641 is about 1342.7842977488.

Adding to 2421133641 its reverse (1463311242), we get a palindrome (3884444883).

The spelling of 2421133641 in words is "two billion, four hundred twenty-one million, one hundred thirty-three thousand, six hundred forty-one".