6243042313 has 4 divisors (see below), whose sum is σ = 6248883460. Its totient is φ = 6237201168.

The previous prime is 6243042307. The next prime is 6243042341. The reversal of 6243042313 is 3132403426.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3132403426 = 2 ⋅1566201713.

It can be written as a sum of positive squares in 2 ways, for example, as 2385638649 + 3857403664 = 48843^2 + 62108^2 .

It is a cyclic number.

It is not a de Polignac number, because 6243042313 - 2¹³ = 6243034121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6243042713) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 2918970 + ... + 2921107.

It is an arithmetic number, because the mean of its divisors is an integer number (1562220865).

Almost surely, 2^6243042313 is an apocalyptic number.

It is an amenable number.

6243042313 is a deficient number, since it is larger than the sum of its proper divisors (5841147).

6243042313 is a wasteful number, since it uses less digits than its factorization.

6243042313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5841146.

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 6243042313 is about 79012.9249743357. The cubic root of 6243042313 is about 1841.3319665065.

Adding to 6243042313 its reverse (3132403426), we get a palindrome (9375445739).

The spelling of 6243042313 in words is "six billion, two hundred forty-three million, forty-two thousand, three hundred thirteen".