6315724453 has 2 divisors, whose sum is σ = 6315724454. Its totient is φ = 6315724452.

The previous prime is 6315724423. The next prime is 6315724463. The reversal of 6315724453 is 3544275136.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6305471649 + 10252804 = 79407^2 + 3202^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6315724453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6315724423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3157862226 + 3157862227.

It is an arithmetic number, because the mean of its divisors is an integer number (3157862227).

Almost surely, 2^6315724453 is an apocalyptic number.

It is an amenable number.

6315724453 is a deficient number, since it is larger than the sum of its proper divisors (1).

6315724453 is an equidigital number, since it uses as much as digits as its factorization.

6315724453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400, while the sum is 40.

The square root of 6315724453 is about 79471.5323433492. The cubic root of 6315724453 is about 1848.4500729587.

Adding to 6315724453 its reverse (3544275136), we get a palindrome (9859999589).

The spelling of 6315724453 in words is "six billion, three hundred fifteen million, seven hundred twenty-four thousand, four hundred fifty-three".