2421312353 has 2 divisors, whose sum is σ = 2421312354. Its totient is φ = 2421312352.

The previous prime is 2421312349. The next prime is 2421312371. The reversal of 2421312353 is 3532131242.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2187619984 + 233692369 = 46772^2 + 15287^2 .

It is a cyclic number.

It is not a de Polignac number, because 2421312353 - 2² = 2421312349 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2421312323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210656176 + 1210656177.

It is an arithmetic number, because the mean of its divisors is an integer number (1210656177).

Almost surely, 2^2421312353 is an apocalyptic number.

It is an amenable number.

2421312353 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421312353 is an equidigital number, since it uses as much as digits as its factorization.

2421312353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 26.

The square root of 2421312353 is about 49206.8323812862. The cubic root of 2421312353 is about 1342.8173354078.

Adding to 2421312353 its reverse (3532131242), we get a palindrome (5953443595).

The spelling of 2421312353 in words is "two billion, four hundred twenty-one million, three hundred twelve thousand, three hundred fifty-three".