1338360563 has 4 divisors (see below), whose sum is σ = 1346571528. Its totient is φ = 1330149600.

The previous prime is 1338360523. The next prime is 1338360571. The reversal of 1338360563 is 3650638331.

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 1338360563 - 2²² = 1334166259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1338360523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4105238 + ... + 4105563.

It is an arithmetic number, because the mean of its divisors is an integer number (336642882).

Almost surely, 2^1338360563 is an apocalyptic number.

1338360563 is a deficient number, since it is larger than the sum of its proper divisors (8210965).

1338360563 is an equidigital number, since it uses as much as digits as its factorization.

1338360563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8210964.

The product of its (nonzero) digits is 116640, while the sum is 38.

The square root of 1338360563 is about 36583.6105790558. The cubic root of 1338360563 is about 1102.0239769465.

Adding to 1338360563 its reverse (3650638331), we get a palindrome (4988998894).

The spelling of 1338360563 in words is "one billion, three hundred thirty-eight million, three hundred sixty thousand, five hundred sixty-three".