2421545441 has 16 divisors (see below), whose sum is σ = 2791804800. Its totient is φ = 2057436288.

The previous prime is 2421545359. The next prime is 2421545491. The reversal of 2421545441 is 1445451242.

It is a cyclic number.

It is not a de Polignac number, because 2421545441 - 2³⁰ = 1347803617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2421545398 and 2421545407.

It is not an unprimeable number, because it can be changed into a prime (2421545491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 464075 + ... + 469263.

It is an arithmetic number, because the mean of its divisors is an integer number (174487800).

Almost surely, 2^2421545441 is an apocalyptic number.

It is an amenable number.

2421545441 is a deficient number, since it is larger than the sum of its proper divisors (370259359).

2421545441 is a wasteful number, since it uses less digits than its factorization.

2421545441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5768.

The product of its digits is 25600, while the sum is 32.

The square root of 2421545441 is about 49209.2007758712. The cubic root of 2421545441 is about 1342.8604228633.

Adding to 2421545441 its reverse (1445451242), we get a palindrome (3866996683).

The spelling of 2421545441 in words is "two billion, four hundred twenty-one million, five hundred forty-five thousand, four hundred forty-one".