2421210073 has 4 divisors (see below), whose sum is σ = 2477517328. Its totient is φ = 2364902820.

The previous prime is 2421210067. The next prime is 2421210079. The reversal of 2421210073 is 3700121242.

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 an interprime number because it is at equal distance from previous prime (2421210067) and next prime (2421210079).

It is not a de Polignac number, because 2421210073 - 2⁵ = 2421210041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2421210079) 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, 28153563 + ... + 28153648.

It is an arithmetic number, because the mean of its divisors is an integer number (619379332).

Almost surely, 2^2421210073 is an apocalyptic number.

It is an amenable number.

2421210073 is a deficient number, since it is larger than the sum of its proper divisors (56307255).

2421210073 is an equidigital number, since it uses as much as digits as its factorization.

2421210073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56307254.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 2421210073 is about 49205.7930837417. The cubic root of 2421210073 is about 1342.7984275773.

The spelling of 2421210073 in words is "two billion, four hundred twenty-one million, two hundred ten thousand, seventy-three".