2421452220043 has 4 divisors (see below), whose sum is σ = 2421461037808. Its totient is φ = 2421443402280.

The previous prime is 2421452220023. The next prime is 2421452220059. The reversal of 2421452220043 is 3400222541242.

It is a happy number.

2421452220043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2421452220043 - 2¹⁷ = 2421452088971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2421452219987 and 2421452220014.

It is not an unprimeable number, because it can be changed into a prime (2421452220023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3983271 + ... + 4550752.

It is an arithmetic number, because the mean of its divisors is an integer number (605365259452).

Almost surely, 2^{2421452220043} is an apocalyptic number.

2421452220043 is a deficient number, since it is larger than the sum of its proper divisors (8817765).

2421452220043 is an equidigital number, since it uses as much as digits as its factorization.

2421452220043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8817764.

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 2421452220043 its reverse (3400222541242), we get a palindrome (5821674761285).

The spelling of 2421452220043 in words is "two trillion, four hundred twenty-one billion, four hundred fifty-two million, two hundred twenty thousand, forty-three".