2421243007 has 4 divisors (see below), whose sum is σ = 2429798920. Its totient is φ = 2412687096.

The previous prime is 2421242983. The next prime is 2421243061. The reversal of 2421243007 is 7003421242.

It is a happy number.

2421243007 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 2421243007 - 2³¹ = 273759359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421243067) 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, 4277532 + ... + 4278097.

It is an arithmetic number, because the mean of its divisors is an integer number (607449730).

Almost surely, 2^2421243007 is an apocalyptic number.

2421243007 is a deficient number, since it is larger than the sum of its proper divisors (8555913).

2421243007 is an equidigital number, since it uses as much as digits as its factorization.

2421243007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8555912.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 2421243007 is about 49206.1277383214. The cubic root of 2421243007 is about 1342.8045159273.

Adding to 2421243007 its reverse (7003421242), we get a palindrome (9424664249).

The spelling of 2421243007 in words is "two billion, four hundred twenty-one million, two hundred forty-three thousand, seven".