7243744563 has 48 divisors (see below), whose sum is σ = 11586347136. Its totient is φ = 4324446720.

The previous prime is 7243744561. The next prime is 7243744579. The reversal of 7243744563 is 3654473427.

7243744563 is a `hidden beast` number, since 7 + 2 + 43 + 7 + 44 + 563 = 666.

It is not a de Polignac number, because 7243744563 - 2¹ = 7243744561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7243744561) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2178220 + ... + 2181542.

It is an arithmetic number, because the mean of its divisors is an integer number (241382232).

Almost surely, 2^7243744563 is an apocalyptic number.

7243744563 is a deficient number, since it is larger than the sum of its proper divisors (4342602573).

7243744563 is a wasteful number, since it uses less digits than its factorization.

7243744563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3664 (or 3661 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 45.

The square root of 7243744563 is about 85110.1907118061. The cubic root of 7243744563 is about 1934.8815158908.

The spelling of 7243744563 in words is "seven billion, two hundred forty-three million, seven hundred forty-four thousand, five hundred sixty-three".