2421313442 has 4 divisors (see below), whose sum is σ = 3631970166. Its totient is φ = 1210656720.

The previous prime is 2421313403. The next prime is 2421313457. The reversal of 2421313442 is 2443131242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2443131242 = 2 ⋅1221565621.

It can be written as a sum of positive squares in only one way, i.e., 1597680841 + 823632601 = 39971^2 + 28699^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605328359 + ... + 605328362.

Almost surely, 2^2421313442 is an apocalyptic number.

2421313442 is a deficient number, since it is larger than the sum of its proper divisors (1210656724).

2421313442 is a wasteful number, since it uses less digits than its factorization.

2421313442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210656723.

The product of its digits is 4608, while the sum is 26.

The square root of 2421313442 is about 49206.8434468215. The cubic root of 2421313442 is about 1342.8175367212.

Adding to 2421313442 its reverse (2443131242), we get a palindrome (4864444684).

The spelling of 2421313442 in words is "two billion, four hundred twenty-one million, three hundred thirteen thousand, four hundred forty-two".