6243153409 has 2 divisors, whose sum is σ = 6243153410. Its totient is φ = 6243153408.

The previous prime is 6243153407. The next prime is 6243153451. The reversal of 6243153409 is 9043513426.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6122593009 + 120560400 = 78247^2 + 10980^2 .

It is a cyclic number.

It is not a de Polignac number, because 6243153409 - 2¹ = 6243153407 is a prime.

Together with 6243153407, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (6243153407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3121576704 + 3121576705.

It is an arithmetic number, because the mean of its divisors is an integer number (3121576705).

Almost surely, 2^6243153409 is an apocalyptic number.

It is an amenable number.

6243153409 is a deficient number, since it is larger than the sum of its proper divisors (1).

6243153409 is an equidigital number, since it uses as much as digits as its factorization.

6243153409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 6243153409 is about 79013.6279954287. The cubic root of 6243153409 is about 1841.3428887135.

The spelling of 6243153409 in words is "six billion, two hundred forty-three million, one hundred fifty-three thousand, four hundred nine".