2421301615421 has 8 divisors (see below), whose sum is σ = 2633372969304. Its totient is φ = 2212918459200.

The previous prime is 2421301615361. The next prime is 2421301615471. The reversal of 2421301615421 is 1245161031242.

2421301615421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 718407112921 + 1702894502500 = 847589^2 + 1304950^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2421301615421 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 (2421301615471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 922048046 + ... + 922050671.

It is an arithmetic number, because the mean of its divisors is an integer number (329171621163).

Almost surely, 2^{2421301615421} is an apocalyptic number.

It is an amenable number.

2421301615421 is a deficient number, since it is larger than the sum of its proper divisors (212071353883).

2421301615421 is a wasteful number, since it uses less digits than its factorization.

2421301615421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1844098831.

The product of its (nonzero) digits is 11520, while the sum is 32.

Adding to 2421301615421 its reverse (1245161031242), we get a palindrome (3666462646663).

The spelling of 2421301615421 in words is "two trillion, four hundred twenty-one billion, three hundred one million, six hundred fifteen thousand, four hundred twenty-one".