6243268387 has 8 divisors (see below), whose sum is σ = 6645704400. Its totient is φ = 5848216704.

The previous prime is 6243268363. The next prime is 6243268429. The reversal of 6243268387 is 7838623426.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6243268387 - 2⁷ = 6243268259 is a prime.

It is a super-2 number, since 2×6243268387² = 77956800304227163538, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6243268387.

It is not an unprimeable number, because it can be changed into a prime (6243268307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1844338 + ... + 1847719.

It is an arithmetic number, because the mean of its divisors is an integer number (830713050).

Almost surely, 2^6243268387 is an apocalyptic number.

6243268387 is a deficient number, since it is larger than the sum of its proper divisors (402436013).

6243268387 is a wasteful number, since it uses less digits than its factorization.

6243268387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3692165.

The product of its digits is 2322432, while the sum is 49.

The square root of 6243268387 is about 79014.3555754269. The cubic root of 6243268387 is about 1841.3541924362.

The spelling of 6243268387 in words is "six billion, two hundred forty-three million, two hundred sixty-eight thousand, three hundred eighty-seven".