2421800881 has 4 divisors (see below), whose sum is σ = 2422116592. Its totient is φ = 2421485172.

The previous prime is 2421800867. The next prime is 2421800897. The reversal of 2421800881 is 1880081242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2421800881 - 2¹³ = 2421792689 is a prime.

It is a super-2 number, since 2×2421800881² = 11730239014424752322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2421800861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146055 + ... + 161788.

It is an arithmetic number, because the mean of its divisors is an integer number (605529148).

Almost surely, 2^2421800881 is an apocalyptic number.

It is an amenable number.

2421800881 is a deficient number, since it is larger than the sum of its proper divisors (315711).

2421800881 is an equidigital number, since it uses as much as digits as its factorization.

2421800881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315710.

The product of its (nonzero) digits is 8192, while the sum is 34.

The square root of 2421800881 is about 49211.7961570191. The cubic root of 2421800881 is about 1342.9076390198.

The spelling of 2421800881 in words is "two billion, four hundred twenty-one million, eight hundred thousand, eight hundred eighty-one".