5218385264643 has 4 divisors (see below), whose sum is σ = 6957847019528. Its totient is φ = 3478923509760.

The previous prime is 5218385264623. The next prime is 5218385264671. The reversal of 5218385264643 is 3464625838125.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5218385264643 - 2⁶ = 5218385264579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5218385264623) 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, 869730877438 + ... + 869730877443.

It is an arithmetic number, because the mean of its divisors is an integer number (1739461754882).

Almost surely, 2^{5218385264643} is an apocalyptic number.

5218385264643 is a deficient number, since it is larger than the sum of its proper divisors (1739461754885).

5218385264643 is a wasteful number, since it uses less digits than its factorization.

5218385264643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1739461754884.

The product of its digits is 33177600, while the sum is 57.

The spelling of 5218385264643 in words is "five trillion, two hundred eighteen billion, three hundred eighty-five million, two hundred sixty-four thousand, six hundred forty-three".