6312438563 has 4 divisors (see below), whose sum is σ = 6339530808. Its totient is φ = 6285346320.

The previous prime is 6312438551. The next prime is 6312438569. The reversal of 6312438563 is 3658342136.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6312438563 - 2⁴ = 6312438547 is a prime.

It is a super-2 number, since 2×6312438563² = 79693761223299009938, 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 6312438563.

It is not an unprimeable number, because it can be changed into a prime (6312438569) 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, 13545773 + ... + 13546238.

It is an arithmetic number, because the mean of its divisors is an integer number (1584882702).

Almost surely, 2^6312438563 is an apocalyptic number.

6312438563 is a deficient number, since it is larger than the sum of its proper divisors (27092245).

6312438563 is a wasteful number, since it uses less digits than its factorization.

6312438563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27092244.

The product of its digits is 311040, while the sum is 41.

The square root of 6312438563 is about 79450.8562760654. The cubic root of 6312438563 is about 1848.1294521916.

The spelling of 6312438563 in words is "six billion, three hundred twelve million, four hundred thirty-eight thousand, five hundred sixty-three".