2421004413 has 4 divisors (see below), whose sum is σ = 3228005888. Its totient is φ = 1614002940.

The previous prime is 2421004409. The next prime is 2421004423. The reversal of 2421004413 is 3144001242.

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 not a de Polignac number, because 2421004413 - 2² = 2421004409 is a prime.

It is a super-3 number, since 3×2421004413³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2421004413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421004423) 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, 403500733 + ... + 403500738.

It is an arithmetic number, because the mean of its divisors is an integer number (807001472).

Almost surely, 2^2421004413 is an apocalyptic number.

It is an amenable number.

2421004413 is a deficient number, since it is larger than the sum of its proper divisors (807001475).

2421004413 is an equidigital number, since it uses as much as digits as its factorization.

2421004413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807001474.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2421004413 is about 49203.7032447762. The cubic root of 2421004413 is about 1342.7604069546.

Adding to 2421004413 its reverse (3144001242), we get a palindrome (5565005655).

The spelling of 2421004413 in words is "two billion, four hundred twenty-one million, four thousand, four hundred thirteen".