5238435001643 has 8 divisors (see below), whose sum is σ = 5241042318336. Its totient is φ = 5235828330600.

The previous prime is 5238435001609. The next prime is 5238435001663. The reversal of 5238435001643 is 3461005348325.

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 5238435001643 - 2¹² = 5238434997547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5238435001594 and 5238435001603.

It is not an unprimeable number, because it can be changed into a prime (5238435001663) 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, 16494278 + ... + 16808868.

It is an arithmetic number, because the mean of its divisors is an integer number (655130289792).

Almost surely, 2^{5238435001643} is an apocalyptic number.

5238435001643 is a deficient number, since it is larger than the sum of its proper divisors (2607316693).

5238435001643 is a wasteful number, since it uses less digits than its factorization.

5238435001643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322825.

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 5238435001643 in words is "five trillion, two hundred thirty-eight billion, four hundred thirty-five million, one thousand, six hundred forty-three".