2421543011 has 8 divisors (see below), whose sum is σ = 2487301824. Its totient is φ = 2356655400.

The previous prime is 2421542999. The next prime is 2421543043. The reversal of 2421543011 is 1103451242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2421543011 is a prime.

It is a super-2 number, since 2×2421543011² = 11727741108245892242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2421543511) 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 7 ways as a sum of consecutive naturals, for example, 212165 + ... + 223286.

It is an arithmetic number, because the mean of its divisors is an integer number (310912728).

Almost surely, 2^2421543011 is an apocalyptic number.

2421543011 is a deficient number, since it is larger than the sum of its proper divisors (65758813).

2421543011 is an equidigital number, since it uses as much as digits as its factorization.

2421543011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435601.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 2421543011 is about 49209.1760853603. The cubic root of 2421543011 is about 1342.8599736801.

Adding to 2421543011 its reverse (1103451242), we get a palindrome (3524994253).

The spelling of 2421543011 in words is "two billion, four hundred twenty-one million, five hundred forty-three thousand, eleven".