648724713543 has 12 divisors (see below), whose sum is σ = 937247135760. Its totient is φ = 432390683616.

The previous prime is 648724713517. The next prime is 648724713551. The reversal of 648724713543 is 345317427846.

648724713543 is a `hidden beast` number, since 6 + 4 + 8 + 7 + 24 + 71 + 3 + 543 = 666.

It is not a de Polignac number, because 648724713543 - 2⁶ = 648724713479 is a prime.

It is a super-2 number, since 2×648724713543² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 648724713543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648724713443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7660446 + ... + 7744667.

It is an arithmetic number, because the mean of its divisors is an integer number (78103927980).

Almost surely, 2^648724713543 is an apocalyptic number.

648724713543 is a deficient number, since it is larger than the sum of its proper divisors (288522422217).

648724713543 is a wasteful number, since it uses less digits than its factorization.

648724713543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15409798 (or 15409795 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 54.

The spelling of 648724713543 in words is "six hundred forty-eight billion, seven hundred twenty-four million, seven hundred thirteen thousand, five hundred forty-three".