5243199547 has 4 divisors (see below), whose sum is σ = 5261094720. Its totient is φ = 5225304376.

The previous prime is 5243199509. The next prime is 5243199553. The reversal of 5243199547 is 7459913425.

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 5243199547 - 2¹¹ = 5243197499 is a prime.

It is a super-2 number, since 2×5243199547² = 54982282979322010418, 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 5243199547.

It is not an unprimeable number, because it can be changed into a prime (5243199047) 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, 8947147 + ... + 8947732.

It is an arithmetic number, because the mean of its divisors is an integer number (1315273680).

Almost surely, 2^5243199547 is an apocalyptic number.

5243199547 is a deficient number, since it is larger than the sum of its proper divisors (17895173).

5243199547 is a wasteful number, since it uses less digits than its factorization.

5243199547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17895172.

The product of its digits is 1360800, while the sum is 49.

The square root of 5243199547 is about 72409.9409404537. The cubic root of 5243199547 is about 1737.2625678493.

The spelling of 5243199547 in words is "five billion, two hundred forty-three million, one hundred ninety-nine thousand, five hundred forty-seven".