5217742643 has 8 divisors (see below), whose sum is σ = 5326754400. Its totient is φ = 5109717760.

The previous prime is 5217742631. The next prime is 5217742693. The reversal of 5217742643 is 3462477125.

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 5217742643 - 2¹⁰ = 5217741619 is a prime.

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 5217742643.

It is not an unprimeable number, because it can be changed into a prime (5217742693) 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, 236030 + ... + 257187.

It is an arithmetic number, because the mean of its divisors is an integer number (665844300).

Almost surely, 2^5217742643 is an apocalyptic number.

5217742643 is a deficient number, since it is larger than the sum of its proper divisors (109011757).

5217742643 is a wasteful number, since it uses less digits than its factorization.

5217742643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493437.

The product of its digits is 282240, while the sum is 41.

The square root of 5217742643 is about 72233.9438422131. The cubic root of 5217742643 is about 1734.4464060563.

The spelling of 5217742643 in words is "five billion, two hundred seventeen million, seven hundred forty-two thousand, six hundred forty-three".