2421401313 has 24 divisors (see below), whose sum is σ = 3389764768. Its totient is φ = 1537135488.

The previous prime is 2421401309. The next prime is 2421401327. The reversal of 2421401313 is 3131041242.

It is not a de Polignac number, because 2421401313 - 2² = 2421401309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2421401313.

It is not an unprimeable number, because it can be changed into a prime (2421401393) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 177606 + ... + 190752.

Almost surely, 2^2421401313 is an apocalyptic number.

It is an amenable number.

2421401313 is a deficient number, since it is larger than the sum of its proper divisors (968363455).

2421401313 is a wasteful number, since it uses less digits than its factorization.

2421401313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13281 (or 13252 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2421401313 is about 49207.7363124946. The cubic root of 2421401313 is about 1342.8337804247.

Adding to 2421401313 its reverse (3131041242), we get a palindrome (5552442555).

The spelling of 2421401313 in words is "two billion, four hundred twenty-one million, four hundred one thousand, three hundred thirteen".